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EXHIBIT 24.1
POWER OF ATTORNEY
The undersigned directors and officers of Antigenics Inc. (the "Company"),
hereby severally constitute and appoint Garo H. Armen our true and lawful
attorney-in-fact, with full power to them, in any and all capacities, to sign
the Company's Registration Statement on Form S-4 relating to the proposed
acquisition of Aquila Biopharmaceuticals, Inc. and any and all amendments
(including any post-effective amendments) thereto, and any related Rule 462(b)
registration statement or amendment thereto, and to file the same, with exhibits
thereto and other documents in connection therewith, with the Securities and
Exchange Commission, hereby ratifying and confirming all that said
attorney-in-fact may do or cause to be done by virtue hereof.
<TABLE>
<CAPTION>
SIGNATURE TITLE DATE
--------- ----- ----
<S> <C> <C>
/s/ Pramod Srivastava Director August 28, 2000
----------------------------
Pramod Srivastava, Ph.D.
/s/ Noubar Afeyan Director August 22, 2000
----------------------------
Noubar Afeyan, Ph.D.
/s/ Gamil de Chadarevian Vice Chairman of the Board of August 26, 2000
---------------------------- Directors, Executive Vice
Gamil de Chadarevian President, International
/s/ Tom Dechaene Director August 17, 2000
----------------------------
Tom Dechaene
/s/ Donald Panoz Director August 31, 2000
----------------------------
Donald Panoz
/s/ Martin Taylor Director August 31, 2000
----------------------------
Martin Taylor
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