Exhibit 24.1

                               POWERS OF ATTORNEY

     By signing below, I hereby constitute and appoint Robert A. Wolfe, Terry
L. Hall, and Yasmin R. Seyal my true and lawful attorney or attorneys-in-fact,
with full power of substitution and resubstitution, to do any and all acts and
things and to execute any and all instruments in my name and behalf in my
capacities as a director and/or officer of GenCorp Inc., an Ohio corporation
(the "Company"), that said attorney or attorneys-in-fact, or any of them, may
deem necessary or advisable or that may be required to enable the Company to
comply with the Securities Act of 1933, as amended (the "Securities Act"), and
the Securities Exchange Act of 1934, as amended (the "Exchange Act") and any
rules, regulations or requirements of the Securities and Exchange Commission in
respect thereof, in connection with one or more registration statements on
Form S-3 (or any other appropriate form) and any abbreviated registration
statement relating thereto for the purpose of registering pursuant to the
Securities Act and/or the Exchange Act (i) up to $150 million of the Company's
outstanding 5 3/4% Convertible Subordinated Notes due 2007, and the shares of
the Company's Common Stock issuable upon conversion thereof for resale by the
holders thereof from time to time and (ii) debt and equity securities of the
Company, and securities exercisable or exchangeable for, or convertible into
such debt and equity securities, having an aggregate offering price not to
exceed $300 million, for sale from time to time, including (in each case)
specifically, but without limiting the generality of the foregoing, the power
and authority to sign for me, in my name and behalf in my capacities as
director and/or officer of the Company (individually or on behalf of the
Company), each such registration statement and any such abbreviated
registration statement, and any and all amendments, including post-effective
amendments, and supplements thereto, and any registration statement filed
pursuant to Rule 462(b) of the Securities Act, and to file the same, with any
and all exhibits thereto and other instruments or documents in connection
therewith, with the Securities and Exchange Commission, and hereby ratify and
confirm all that said attorneys and agents, or any of them, may do or cause to
be done by virtue hereof.

     IN WITNESS WHEREOF, I have executed this Powers of Attorney as of May 16,
2002.

<Table>
                                     
     /s/ Robert A. Wolfe                      /s/ Terry L. Hall
- -----------------------------           -----------------------------
       Robert A. Wolfe                          Terry L. Hall


     /s/ Yasmin R. Seyal                   /s/ J. Robert Anderson
- -----------------------------           -----------------------------
       Yasmin R. Seyal                       J. Robert Anderson


     /s/ J. Gary Cooper                      /s/ James J. Didion
- -----------------------------           -----------------------------
       J. Gary Cooper                          James J. Didion


      /s/ Irving Gutin                       /s/ William K. Hall
- -----------------------------           -----------------------------
        Irving Gutin                           William K. Hall


   /s/ James M. Osterhoff                  /s/ Steven G. Rothmeier
- -----------------------------           -----------------------------
     James M. Osterhoff                      Steven G. Rothmeier


    /s/ Shelia E. Widnall
- -----------------------------
      Shelia E. Widnall
</Table>


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