Exhibit 24

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned Directors and Officers
of Millipore Corporation (the "Corporation"), do hereby constitute and appoint
C. William Zadel, Kathleen Allen and Jeffrey Rudin and each of them
individually, their true and lawful attorneys and agents to execute on behalf of
the Corporation the Form 10-K Annual Report of the Corporation for the fiscal
year ended December 31, 2000, and all such amendments or additional instruments
related thereto which such attorneys and agents may deem to be necessary and
desirable to enable the Corporation to comply with the requirements of the
Securities Exchange Act of 1934, as amended, and any regulations, orders, or
other requirements of the United States Securities and Exchange Commission
thereunder in connection with the preparation and filing of said documents,
including specifically, but without limitation of the foregoing, power and
authority to sign the names of each of such Directors and Officers on his
behalf, as such Director or Officer, as indicated below to the said Form 10-K
Annual Report or documents filed or to be filed as a part of or in connection
with such Form 10-K Annual Report; and each of the undersigned hereby ratifies
and confirms all that said attorneys and agents shall do or cause to be done by
virtue thereof.


SIGNATURE                TITLE                     DATE
- ---------                -----                     ----


/s/ C. William Zadel     Chairman, President       February 15, 2001
- --------------------
C. William Zadel         Chief Executive Officer
                         and Director


/s/ Daniel Bellus        Director                  February 15, 2001
- -----------------
Daniel Bellus


/s/ Robert C. Bishop     Director                  February 15, 2001
- --------------------
Robert C. Bishop


/s/ Robert E. Caldwell   Director                  February 15, 2001
- ----------------------
Robert E. Caldwell


/s/ Maureen A. Hendricks Director                  February 15, 2001
- ------------------------
Maureen A. Hendricks


SIGNATURE                TITLE                     DATE
- ---------                -----                     ----


/s/ Mark Hoffman         Director                  February 15, 2001
- ----------------
Mark Hoffman


/s/ Richard J. Lane      Director                  February 15, 2001
- -------------------
Richard J. Lane


/s/ Thomas O. Pyle       Director                  February 15, 2001
- ------------------
Thomas O. Pyle


/s/ John F. Reno         Director                  February 15, 2001
- ----------------
John F. Reno