EXHIBIT 24

                POWER OF ATTORNEY OF LOUIS V. GERSTNER, JR.



          KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned
Chairman of the Board of Directors and Chief Executive Officer of
International Business Machines Corporation, a New York corporation (the
"Corporation"), which is to file with the Securities and Exchange
Commission (the "SEC") under the provisions of the Securities Act of 1933
one or more registration Statements on Form S-8, or other appropriate Form,
for shares of capital stock of the Corporation or other interests issuable
upon the exercise or surrender of options assumed by the Corporation that
were issued by Software Artistry, Inc., hereby constitute and appoint
Lawrence R. Ricciardi, John R. Joyce, John E. Hickey and Jeffrey D. Serkes,
and each of them, my true and lawful attorneys-in-fact and agents, with
full power to act, together or each without the others, for me and in my
name, place and stead, in any and all capacities, to sign, or cause to be
signed electronically any and all of said Registration Statements (which
Registration Statements may constitute post-effective amendments to
registration statements previously filed with the SEC) and any and all
amendments to the aforementioned Registration Statements and to file said
Registration Statements and amendments thereto so signed with all exhibits
thereto, and with any and all other documents in connection therewith, with
the SEC, hereby granting unto said attorneys-in-fact and agents, and each
of them, full power and authority to do and perform any and all acts and
things requisite and necessary to be done in and about the premises, as
fully to all intents and purposes as I might or could do in person, 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, I, the undersigned, have executed this Power
of Attorney as of this 20th day of January, 1998.




                                   /s/ Louis V. Gerstner, Jr.
                                   -------------------------------
                                   Louis V. Gerstner, Jr.
                                   Chairman of the Board of Directors
                                   and Chief Executive Officer





                                                                 EXHIBIT 24

                 POWER OF ATTORNEY OF LAWRENCE R. RICCIARDI



          KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned
Senior Vice President and Chief Financial Officer of International Business
Machines Corporation, a New York corporation (the "Corporation"), which is
to file with the Securities and Exchange Commission (the "SEC") under the
provisions of the Securities Act of 1933 one or more registration
Statements on Form S-8, or other appropriate Form, for shares of capital
stock of the Corporation or other interests issuable upon the exercise or
surrender of options assumed by the Corporation that were issued by
Software Artistry, Inc., hereby constitute and appoint John R. Joyce, John
E. Hickey and Jeffrey D. Serkes, and each of them, my true and lawful
attorneys-in-fact and agents, with full power to act, together or each
without the others, for me and in my name, place and stead, in any and all
capacities, to sign, or cause to be signed electronically any and all of
said Registration Statements (which Registration Statements may constitute
post-effective amendments to registration statements previously filed with
the SEC) and any and all amendments to the aforementioned Registration
Statements and to file said Registration Statements and amendments thereto
so signed with all exhibits thereto, and with any and all other documents
in connection therewith, with the SEC, hereby granting unto said
attorneys-in-fact and agents, and each of them, full power and authority to
do and perform any and all acts and things requisite and necessary to be
done in and about the premises, as fully to all intents and purposes as I
might or could do in person, 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, I, the undersigned, have executed this Power
of Attorney as of this 20th day of January, 1998.




                                   /s/ Lawrence R. Ricciardi
                                   ---------------------------------
                                   Lawrence R. Ricciardi
                                   Senior Vice President and
                                   Chief Financial Officer







                                                                 EXHIBIT 24

                     POWER OF ATTORNEY OF JOHN R. JOYCE



          KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned Vice
President and Controller of International Business Machines Corporation, a
New York corporation (the "Corporation"), which is to file with the
Securities and Exchange Commission (the "SEC") under the provisions of the
Securities Act of 1933 one or more registration Statements on Form S-8, or
other appropriate Form, for shares of capital stock of the Corporation or
other interests issuable upon the exercise or surrender of options assumed
by the Corporation that were issued by Software Artistry, Inc., hereby
constitute and appoint John R. Joyce, John E. Hickey and Jeffrey D. Serkes,
and each of them, my true and lawful attorneys-in-fact and agents, with
full power to act, together or each without the others, for me and in my
name, place and stead, in any and all capacities, to sign, or cause to be
signed electronically any and all of said Registration Statements (which
Registration Statements may constitute post-effective amendments to
registration statements previously filed with the SEC) and any and all
amendments to the aforementioned Registration Statements and to file said
Registration Statements and amendments thereto so signed with all exhibits
thereto, and with any and all other documents in connection therewith, with
the SEC, hereby granting unto said attorneys-in-fact and agents, and each
of them, full power and authority to do and perform any and all acts and
things requisite and necessary to be done in and about the premises, as
fully to all intents and purposes as I might or could do in person, 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, I, the undersigned, have executed this Power
of Attorney as of this 20th day of January, 1998.




                                   /s/ John R. Joyce
                                   -------------------------------------------
                                   John R. Joyce
                                   Vice President and Controller







                                                                 EXHIBIT 24

                     POWER OF ATTORNEY OF IBM DIRECTOR



          KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned
Director of International Business Machines Corporation, a New York
corporation (the "Corporation"), which is to file with the Securities and
Exchange Commission (the "SEC") under the provisions of the Securities Act
of 1933 one or more registration Statements on Form S-8, or other
appropriate Form, for shares of capital stock of the Corporation or other
interests issuable upon the exercise or surrender of options assumed by the
Corporation that were issued by Software Artistry, Inc., hereby constitute
and appoint Lawrence R. Ricciardi, John R. Joyce, John E. Hickey and
Jeffrey D. Serkes, and each of them, my true and lawful attorneys-in-fact
and agents, with full power to act, together or each without the others,
for me and in my name, place and stead, in any and all capacities, to sign,
or cause to be signed electronically any and all of said Registration
Statements (which Registration Statements may constitute post-effective
amendments to registration statements previously filed with the SEC) and
any and all amendments to the aforementioned Registration Statements and to
file said Registration Statements and amendments thereto so signed with all
exhibits thereto, and with any and all other documents in connection
therewith, with the SEC, hereby granting unto said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform any
and all acts and things requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as I might or could do in
person, 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, I, the undersigned, have executed this Power
of Attorney as of this 20th day of January, 1998.




                                   /s/ Cathleen Black
                                   ----------------------------
                                   Director







                                                                 EXHIBIT 24

                     POWER OF ATTORNEY OF IBM DIRECTOR



          KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned
Director of International Business Machines Corporation, a New York
corporation (the "Corporation"), which is to file with the Securities and
Exchange Commission (the "SEC") under the provisions of the Securities Act
of 1933 one or more registration Statements on Form S-8, or other
appropriate Form, for shares of capital stock of the Corporation or other
interests issuable upon the exercise or surrender of options assumed by the
Corporation that were issued by Software Artistry, Inc., hereby constitute
and appoint Lawrence R. Ricciardi, John R. Joyce, John E. Hickey and
Jeffrey D. Serkes, and each of them, my true and lawful attorneys-in-fact
and agents, with full power to act, together or each without the others,
for me and in my name, place and stead, in any and all capacities, to sign,
or cause to be signed electronically any and all of said Registration
Statements (which Registration Statements may constitute post-effective
amendments to registration statements previously filed with the SEC) and
any and all amendments to the aforementioned Registration Statements and to
file said Registration Statements and amendments thereto so signed with all
exhibits thereto, and with any and all other documents in connection
therewith, with the SEC, hereby granting unto said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform any
and all acts and things requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as I might or could do in
person, 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, I, the undersigned, have executed this Power
of Attorney as of this 20th day of January, 1998.




                                   /s/ Harold Brown
                                   ---------------------------------
                                   Director






                                                                 EXHIBIT 24


                     POWER OF ATTORNEY OF IBM DIRECTOR



          KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned
Director of International Business Machines Corporation, a New York
corporation (the "Corporation"), which is to file with the Securities and
Exchange Commission (the "SEC") under the provisions of the Securities Act
of 1933 one or more registration Statements on Form S-8, or other
appropriate Form, for shares of capital stock of the Corporation or other
interests issuable upon the exercise or surrender of options assumed by the
Corporation that were issued by Software Artistry, Inc., hereby constitute
and appoint Lawrence R. Ricciardi, John R. Joyce, John E. Hickey and
Jeffrey D. Serkes, and each of them, my true and lawful attorneys-in-fact
and agents, with full power to act, together or each without the others,
for me and in my name, place and stead, in any and all capacities, to sign,
or cause to be signed electronically any and all of said Registration
Statements (which Registration Statements may constitute post-effective
amendments to registration statements previously filed with the SEC) and
any and all amendments to the aforementioned Registration Statements and to
file said Registration Statements and amendments thereto so signed with all
exhibits thereto, and with any and all other documents in connection
therewith, with the SEC, hereby granting unto said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform any
and all acts and things requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as I might or could do in
person, 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, I, the undersigned, have executed this Power
of Attorney as of this 20th day of January, 1998.




                                   /s/ Juergen Dormann
                                   --------------------------------
                                   Director





                                                                 EXHIBIT 24

                     POWER OF ATTORNEY OF IBM DIRECTOR



          KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned
Director of International Business Machines Corporation, a New York
corporation (the "Corporation"), which is to file with the Securities and
Exchange Commission (the "SEC") under the provisions of the Securities Act
of 1933 one or more registration Statements on Form S-8, or other
appropriate Form, for shares of capital stock of the Corporation or other
interests issuable upon the exercise or surrender of options assumed by the
Corporation that were issued by Software Artistry, Inc., hereby constitute
and appoint Lawrence R. Ricciardi, John R. Joyce, John E. Hickey and
Jeffrey D. Serkes, and each of them, my true and lawful attorneys-in-fact
and agents, with full power to act, together or each without the others,
for me and in my name, place and stead, in any and all capacities, to sign,
or cause to be signed electronically any and all of said Registration
Statements (which Registration Statements may constitute post-effective
amendments to registration statements previously filed with the SEC) and
any and all amendments to the aforementioned Registration Statements and to
file said Registration Statements and amendments thereto so signed with all
exhibits thereto, and with any and all other documents in connection
therewith, with the SEC, hereby granting unto said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform any
and all acts and things requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as I might or could do in
person, 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, I, the undersigned, have executed this Power
of Attorney as of this 20th day of January, 1998.





                                   /s/ Nannerl O. Keohane
                                   --------------------------------
                                   Director





                                                                 EXHIBIT 24


                     POWER OF ATTORNEY OF IBM DIRECTOR



          KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned
Director of International Business Machines Corporation, a New York
corporation (the "Corporation"), which is to file with the Securities and
Exchange Commission (the "SEC") under the provisions of the Securities Act
of 1933 one or more registration Statements on Form S-8, or other
appropriate Form, for shares of capital stock of the Corporation or other
interests issuable upon the exercise or surrender of options assumed by the
Corporation that were issued by Software Artistry, Inc., hereby constitute
and appoint Lawrence R. Ricciardi, John R. Joyce, John E. Hickey and
Jeffrey D. Serkes, and each of them, my true and lawful attorneys-in-fact
and agents, with full power to act, together or each without the others,
for me and in my name, place and stead, in any and all capacities, to sign,
or cause to be signed electronically any and all of said Registration
Statements (which Registration Statements may constitute post-effective
amendments to registration statements previously filed with the SEC) and
any and all amendments to the aforementioned Registration Statements and to
file said Registration Statements and amendments thereto so signed with all
exhibits thereto, and with any and all other documents in connection
therewith, with the SEC, hereby granting unto said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform any
and all acts and things requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as I might or could do in
person, 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, I, the undersigned, have executed this Power
of Attorney as of this 20th day of January, 1998.




                                   /s/ Charles F. Knight
                                   ------------------------------------
                                   Director





                                                                 EXHIBIT 24


                     POWER OF ATTORNEY OF IBM DIRECTOR



          KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned
Director of International Business Machines Corporation, a New York
corporation (the "Corporation"), which is to file with the Securities and
Exchange Commission (the "SEC") under the provisions of the Securities Act
of 1933 one or more registration Statements on Form S-8, or other
appropriate Form, for shares of capital stock of the Corporation or other
interests issuable upon the exercise or surrender of options assumed by the
Corporation that were issued by Software Artistry, Inc., hereby constitute
and appoint Lawrence R. Ricciardi, John R. Joyce, John E. Hickey and
Jeffrey D. Serkes, and each of them, my true and lawful attorneys-in-fact
and agents, with full power to act, together or each without the others,
for me and in my name, place and stead, in any and all capacities, to sign,
or cause to be signed electronically any and all of said Registration
Statements (which Registration Statements may constitute post-effective
amendments to registration statements previously filed with the SEC) and
any and all amendments to the aforementioned Registration Statements and to
file said Registration Statements and amendments thereto so signed with all
exhibits thereto, and with any and all other documents in connection
therewith, with the SEC, hereby granting unto said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform any
and all acts and things requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as I might or could do in
person, 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, I, the undersigned, have executed this Power
of Attorney as of this 20th day of January, 1998.




                                   /s/ Lucio A. Noto
                                   -------------------------





                                                                 EXHIBIT 24


                     POWER OF ATTORNEY OF IBM DIRECTOR



          KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned
Director of International Business Machines Corporation, a New York
corporation (the "Corporation"), which is to file with the Securities and
Exchange Commission (the "SEC") under the provisions of the Securities Act
of 1933 one or more registration Statements on Form S-8, or other
appropriate Form, for shares of capital stock of the Corporation or other
interests issuable upon the exercise or surrender of options assumed by the
Corporation that were issued by Software Artistry, Inc., hereby constitute
and appoint Lawrence R. Ricciardi, John R. Joyce, John E. Hickey and
Jeffrey D. Serkes, and each of them, my true and lawful attorneys-in-fact
and agents, with full power to act, together or each without the others,
for me and in my name, place and stead, in any and all capacities, to sign,
or cause to be signed electronically any and all of said Registration
Statements (which Registration Statements may constitute post-effective
amendments to registration statements previously filed with the SEC) and
any and all amendments to the aforementioned Registration Statements and to
file said Registration Statements and amendments thereto so signed with all
exhibits thereto, and with any and all other documents in connection
therewith, with the SEC, hereby granting unto said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform any
and all acts and things requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as I might or could do in
person, 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, I, the undersigned, have executed this Power
of Attorney as of this 20th day of January, 1998.




                                   /s/ John B. Slaughter
                                   --------------------------------





                                                                 EXHIBIT 24

                     POWER OF ATTORNEY OF IBM DIRECTOR



          KNOW ALL PERSONS BY THESE PRESENTS, that I, the undersigned
Director of International Business Machines Corporation, a New York
corporation (the "Corporation"), which is to file with the Securities and
Exchange Commission (the "SEC") under the provisions of the Securities Act
of 1933 one or more registration Statements on Form S-8, or other
appropriate Form, for shares of capital stock of the Corporation or other
interests issuable upon the exercise or surrender of options assumed by the
Corporation that were issued by Software Artistry, Inc., hereby constitute
and appoint Lawrence R. Ricciardi, John R. Joyce, John E. Hickey and
Jeffrey D. Serkes, and each of them, my true and lawful attorneys-in-fact
and agents, with full power to act, together or each without the others,
for me and in my name, place and stead, in any and all capacities, to sign,
or cause to be signed electronically any and all of said Registration
Statements (which Registration Statements may constitute post-effective
amendments to registration statements previously filed with the SEC) and
any and all amendments to the aforementioned Registration Statements and to
file said Registration Statements and amendments thereto so signed with all
exhibits thereto, and with any and all other documents in connection
therewith, with the SEC, hereby granting unto said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform any
and all acts and things requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as I might or could do in
person, 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, I, the undersigned, have executed this Power
of Attorney as of this 20th day of January, 1998.




                                   /s/ Alex Trotman
                                   -----------------------------