1
                                                                EXHIBIT 24


                                POWER OF ATTORNEY
                                -----------------



      The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 1996, hereby constitutes and appoints TERRY L.
HAINES and ROBERT A. STEFANKO, and each of them, with full power of substitution
and resubstitution, as attorneys or attorney to sign for the undersigned and in
my name, place and stead, as Director of said Corporation, said Annual Report
and any and all amendments and exhibits thereto, and any and all applications
and documents to be filed with the Securities and Exchange Commission pertaining
to such Annual Report, with full power and authority to do and perform any and
all acts and things whatsoever requisite, necessary or advisable to be done in
the premises, as fully and for all intents and purposes as the undersigned could
do if personally present, hereby approving the acts of said attorney, and any
such substitute.

      IN WITNESS WHEREOF, I have hereunto set my hand this 21st day of October,
1996.


                               /s/James H. Berick
                               ------------------
                                 James H. Berick


   2






                                POWER OF ATTORNEY
                                -----------------



      The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 1996, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.

      IN WITNESS WHEREOF, I have hereunto set my hand this 21st day of October,
1996.


                                /s/Alan L. Ockene
                                -----------------
                                 Alan L. Ockene




   3





                                POWER OF ATTORNEY
                                -----------------



      The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 1996, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.

      IN WITNESS WHEREOF, I have hereunto set my hand this 21st day of October,
1996.


                                           /s/Dr. Peggy Gordon Elliott
                                           ---------------------------
                                           Dr. Peggy Gordon Elliott




   4





                                POWER OF ATTORNEY
                                -----------------



      The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 1996, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.

      IN WITNESS WHEREOF, I have hereunto set my hand this 21st day of October,
1996.


                                /s/Franz A. Loehr
                                -----------------
                                 Franz A. Loehr




   5





                                POWER OF ATTORNEY
                                -----------------



      The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 1996, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.

      IN WITNESS WHEREOF, I have hereunto set my hand this 21st day of October,
1996.


                                           /s/ Larry A. Kushkin
                                           --------------------
                                            Larry A. Kushkin



   6





                                POWER OF ATTORNEY
                                -----------------



      The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 1996, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.

      IN WITNESS WHEREOF, I have hereunto set my hand this 21st day of October,
1996.


                                           /s/ Robert G. Wallace
                                           ---------------------
                                            Robert G. Wallace



            
   7





                                POWER OF ATTORNEY
                                -----------------



      The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 1996, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.

      IN WITNESS WHEREOF, I have hereunto set my hand this 21st day of October,
1996.


                                           /s/ Gordon E. Heffern
                                           ---------------------
                                            Gordon E. Heffern



                        
   8









                                POWER OF ATTORNEY
                                -----------------



      The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 1996, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.

      IN WITNESS WHEREOF, I have hereunto set my hand this 21st day of October,
1996.


                                           /s/Dr. Paul Craig Roberts
                                           -------------------------
                                           Dr. Paul Craig Roberts




                        
   9





                                POWER OF ATTORNEY
                                -----------------



      The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 1996, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.

      IN WITNESS WHEREOF, I have hereunto set my hand this 21st day of October,
1996.


                               /s/Rene C. Rombouts
                               -------------------
                                Rene C. Rombouts





                        
   10




                                POWER OF ATTORNEY
                                -----------------



      The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 1996, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.

      IN WITNESS WHEREOF, I have hereunto set my hand this 21st day of October,
1996.


                                                  /s/ Willard R. Holland
                                                  ----------------------
                                                  Willard R. Holland





                        
   11



                                POWER OF ATTORNEY
                                -----------------



      The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 1996, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.

      IN WITNESS WHEREOF, I have hereunto set my hand this 21st day of October,
1996.


                                                  /s/ James A. Karman
                                                  -------------------
                                                  James A. Karman



                        
   12



                                POWER OF ATTORNEY
                                -----------------



      The undersigned Director of A. Schulman, Inc. (the "Corporation"), a
Delaware corporation, which anticipates filing with the Securities and Exchange
Commission, Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, an Annual Report on Form 10-K for the Corporation's
fiscal year ended August 31, 1996, hereby constitutes and appoints TERRY L.
HAINES, JAMES H. BERICK and ROBERT A. STEFANKO, and each of them, with full
power of substitution and resubstitution, as attorneys or attorney to sign for
the undersigned and in my name, place and stead, as Director of said
Corporation, said Annual Report and any and all amendments and exhibits thereto,
and any and all applications and documents to be filed with the Securities and
Exchange Commission pertaining to such Annual Report, with full power and
authority to do and perform any and all acts and things whatsoever requisite,
necessary or advisable to be done in the premises, as fully and for all intents
and purposes as the undersigned could do if personally present, hereby approving
the acts of said attorneys, and any of them and any such substitute.

      IN WITNESS WHEREOF, I have hereunto set my hand this 21st day of October,
1996.


                                                  /s/James S. Marlen
                                                  ------------------
                                                  James S. Marlen