EXHIBIT 32.1


                    CERTIFICATION OF CHIEF EXECUTIVE OFFICER
                                   PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

     In connection with the Quarterly Report of Genus, Inc. (the "Company") on
Form 10-Q for the quarter ended March 31, 2004 as filed with the Securities and
Exchange Commission on the date hereof (the "Form 10-Q"), I, William W.R. Elder,
Chief Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C.
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of
2002, that:

     (1)  the Form 10-Q fully complies with the requirements of Section 13(a) or
          15(d) of the Securities Exchange Act of 1934; and
     (2)  the information contained in the Form 10-Q fairly presents, in all
          material respects, the financial condition and results of operations
          of the Company.

                                   By:
                                      ----------------------
                                   William W.R. Elder
                                   Chief Executive Officer
                                   Date:
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