1
                                                                      EXHIBIT 24

                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ Dennis C. Bottorff
                                          -----------------------------------




   2



                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ Earnest W. Deavenport, Jr.
                                          -----------------------------------


   3


                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ Reginald D. Dickson
                                          -----------------------------------


   4



                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ James A. Haslam, II
                                          -----------------------------------


   5


                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ Martha R. Ingram
                                          -----------------------------------



   6




                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ Walter G. Knestrick
                                          -----------------------------------


   7



                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ Gene C. Koonce
                                          -----------------------------------


   8



                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ James R. Martin
                                          -----------------------------------


   9


                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ Robert A. McCabe, Jr.
                                          -----------------------------------


   10


                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ Dale W. Polley
                                          -----------------------------------


   11



                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ Roscoe R. Robinson, M.D.
                                          -----------------------------------

   12



                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ James F. Smith, Jr.
                                          -----------------------------------


   13



                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ Cal Turner, Jr.
                                          -----------------------------------


   14


                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ Ted H. Welch
                                          -----------------------------------


   15


                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ David K. Wilson
                                          -----------------------------------


   16



                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ Toby S. Wilt
                                          -----------------------------------


   17


                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director and/or
officer of First American Corporation, a corporation organized under the laws of
the State of Tennessee ("Company"), hereby constitutes and appoints MARY NEIL
PRICE, his/her true and lawful attorney-in-fact and agent for him/her and on
his/her behalf and in his/her name, place and stead, in any and all capacities,
to sign, execute and file with the Securities and Exchange Commission, or any
other governmental or regulatory authority, one or more Registration Statements
on Form S-4, S-8 or such other appropriate form (as any of such attorneys may
determine) and all amendments (including post-effective amendments) thereto,
with all exhibits and any and all documents required to be filed with respect
thereto, relating to the registration of shares of Deposit Guaranty Corp.
("DEP") employee benefit plans under the Securities Act of 1933 in connection
with the Company's acquisition of DEP, granting unto said attorneys and each of
them full power and authority to do and to perform each and every act and thing
requisite and necessary to be done in order to effectuate the same as fully to
all intents and purposes as he/she himself/herself might or could do if
personally present, hereby ratifying and confirming all that said
attorneys-in-fact and agents, or any of them, may lawfully do or cause to be
done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned director and/or officer has hereunto
set his/her hand as of the date specified.



Dated: April 16, 1998                     /s/ William S. Wire, II
                                          -----------------------------------