Biographies of three Americans charged Monday with conspiracy to commit espionage. Information was contained in an FBI affidavit:

James Michael Clark, 49, of Falls Church, Va. Born in Lowell, Mass. Currently an investigator with Murphy and Maconachy, a private firm in Fairfax, Va. Charged with conspiracy to commit espionage in violation of 18 USC Section 794 (c), maximum penalty, life in prison and $250,000 fine. Had a prior conviction for resisting arrest in Berkeley, Calif., in 1969. Allegedly recruited as a spy for East Germany in 1976 by Kurt Alan Stand.

Attended Syracuse University, N.Y., 1966-1967; attended University of Wisconsin at Milwaukee, 1973-1975, earned B.A. in linguistics; graduate student at Ohio State University, 1976-1978; graduate student at George Washington University, 1978-1982; studied Slavic languages and Soviet and Eastern European politics and foreign policy. Member of Progressive Student Forum.

Worked as self-employed translator, 1981-1984; worked at Acumenics Research and Technology, 1984-1988, the last two years with a Secret security clearance; paralegal with the U.S. Army, 1988-1996; held security clearance with Army from 1992.

Kurt Alan Stand, 42, of Washington. Born in New York. Currently a regional representative of the International Union of Food, Agricultural, Hotel, Restaurant, Catering, Tobacco and Allied Workers' Associations. Married to Theresa Marie Squillacote. Charged with conspiracy to commit espionage, attempted espionage in violation of 18 USC Section 794 (a), which carries the same penalty as conspiracy, and with obtaining national defense information under 18 USC 793 (b), which carries a maximum 10 years in prison and $250,000 fine. No prior record. Allegedly became an agent for East Germany in 1972 and recruited other two defendants as spies.

Attended University of Wisconsin at Milwaukee, 1973-1979, but received no degree. As of September 1973, was a member of the Workers Liberation League, the youth arm of the Communist Party USA, and was chairman of the University of Wisconsin, Milwaukee, chapter of the organization. Member of Progressive Student Forum.

Directed research for Organizing Media Project in Washington, 1982-1985; organizer of the ``Debs-Thomas'' fund-raiser of the Democratic Socialists of America in Washington from February to October, 1985; served as ``educational specialist-writer'' with the National Association of Letter Carriers, 1985-1988; was ``conference coordinator'' of the food workers union.

Theresa Marie Squillacote, 39, of Washington. Born in Chicago. Until January 1997 was an analyst with the Office of the Deputy Undersecretary of Defense for Acquisition Reform. Charged with conspiracy to commit espionage, attempted espionage and obtaining national defense information. No prior record. Allegedly recruited as a spy for East Germany in 1979-1981.

Student at University of Wisconsin, Madison and Milwaukee, 1974-1980; received B.A. and M.A. degrees in history. Law student at Catholic University's Columbus School of law, 1980-1983, received J.D. From 1988 on took course work at George Washington University in government contracting. Member of Progressive Student Forum.

Employed as attorney with National Labor Relations Board, Washington, 1983-1991. From September 1990 to February 1991, worked as legal fellow with House Armed Services Committee under Rep. Les Aspin, D-Wis., the committee chairman. Worked in various positions at the Defense Department, including analyst for deputy undersecretary for acquisition, 1991-1997.