Stephen Frank Masi, 55, Selden, N.Y., Cantor Fitzgerald, World Trade Center.

Ada L. Mason-Acker, United States Army Civilian, Pentagon.


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Nicholas George Massa, 65, New York, Aon Corporation, World Trade Center.

Michael Massaroli, 38, Staten Island, N.Y., Cantor Fitzgerald, World Trade Center.

Philip William Mastrandrea, Jr., 42, Chatham, N.J., Cantor Fitzgerald, World Trade Center.

Rudy Mastrocinque, 43, Kings Park, N.Y., Marsh & McLennan Companies, Inc., World Trade Center.

Joseph Mathai, 49, Arlington, Mass., Risk Waters Group conference attendee from Cambridge Technology Partners, World Trade Center.

Charles William Mathers, 61, Sea Girt, N.J., Marsh & McLennan Companies, Inc., World Trade Center.

William A. Mathesen, 40, Euro Brokers, World Trade Center.

Marcello Matricciano, 31, Jackson Heights, N.Y., Cantor Fitzgerald, World Trade Center.

Margaret Elaine Mattic, 51, General Telecommunications, World Trade Center.

Dean E. Mattson, 57, United States Army, Pentagon.

Robert D. Mattson, 54, Green Pond, N.J., Fiduciary Trust Company International, World Trade Center.

Walter A. Matuza, Jr., 39, Staten Island, N.Y., Carr Futures, Inc., World Trade Center.

Timothy J. Maude, 53, Ft. Myers, Va., United States Army, Pentagon.

Jill Maurer-Campbell, 31, Middle Village, N.Y., Baseline Financial Services, World Trade Center.

Charles A. Mauro, Jr., 65, Staten Island, N.Y., Aon Corporation, World Trade Center.

Charles J. Mauro, 38, Staten Island, N.Y., Windows on the World, World Trade Center.

Dorothy Mauro, 55, Brooklyn, N.Y., Marsh & McLennan Companies, Inc., World Trade Center.

Nancy T. Mauro, 51, Forest Hills, N.Y., Marsh & McLennan Companies, Inc., World Trade Center.