WILSON
1980-1982

John Tuzo Wilson, geophysicist, born Ottawa, Ontario, October 24, 1908; died April 15, 1993. Ph.D., 1936, Princeton Univ. Spent most of career at Department of Geophysics, Univ. of Toronto. Joined AGU 1945; elected Fellow 1962. Received Walter H. Bucher Medal, 1968; Maurice Ewing Medal, 1980. President. International Union of Geodesy and Geophysics. AGU's first non-U.S. president.

VAN ALLEN
1982-1984

James Alfred Van Allen, physicist, born Mt. Pleasant, Iowa, September 7, 1914. Ph.D., 1939, Univ. of Iowa. Applied Physics Laboratory, Johns Hopkins Univ., 1946-1950. Head of Department of Geophysics, Univ. of Iowa from 1951. Joined AGU 1948; elected Fellow 1963; President, Section of Planetary Science, 1964-1968; President, Section of Solar-Planetary Relationships, 1976-1978. Received John Adam Fleming Medal, 1963; William Bowie Medal, 1977.

DRAKE
1984-1986

Charles Lum Drake, geophysicist, born Ridgewood, N.J., July 1, 1924; died July 8, 1997. Ph.D., 1958, Columbia Univ. At Lamont Geological Observatory, 1948-1965; Department of Geology, Dartmouth College, 1965 to present. Joined AGU 1950; elected Fellow 1967. Appointed to President's Council of Advisors on Science and Technology, 1990.

EAGLESON
1986-1988

Peter S. Eagleson, engineer, born Philadelphia, Pa., February 17, 1928. Sc.D., 1956, Massachusetts Institute of Technology. At MIT since 1955; Head of Department of Civil Engineering, 1970-1975. Joined AGU 1955; elected Fellow, 1973; President Section of Hydrology, 1982-1984. Instituted planning conferences for officers of AGU. Received Robert E. Horton Medal, 1988; William Bowie Medal, 1994.

ANDERSON
1988-1990

Don L. Anderson, geophysicist, born Frederick, Md., March 5, 1933. Ph.D., 1962, California Institute of Technology. Director, Seismological Laboratory, California Institute of Technology, 1967-1989; the Eleanor and John R. McMillan Professor in Geophysics since 1990. Joined AGU 1958; elected Fellow 1967. Received James B. Macelwane Medal, 1966; William Bowie Medal, 1991.

DALRYMPLE
1990-1992

G. Brent Dalrymple, geophysicist, born Alhambra, Calif., May 9, 1937. Ph.D., 1963, Univ. of California, Berkeley. Research geologist-geophysicist with the U.S. Geological Survey 1963-1994; Dean of Oceanic and Atmospheric Sciences, Univ. of Oregon since 1994. Joined AGU 1963; elected Fellow 1975; President, Section of Volcanology, Geochemistry, and Petrology, 1984-1986.

CICERONE
1992-1994

Ralph J. Cicerone, atmospheric scientist, born New Castle, Pa., May 2, 1943. Ph.D., 1970, Univ. of Illinois. Director of Atmospheric Chemistry Division, National Center for Atmospheric Research, 1980-1989. Chairman, Geosciences Department, Univ. of California, Irvine, from 1989. Joined AGU 1971; elected Fellow 1981; President, Section of Atmospheric Sciences, 1986-1988. Received James B. Macelwane Medal, 1979.

NEUGEBAUER
1994-1996

Marcia Neugebauer, space scientist, born New York City, September 27, 1932. M.S., 1956, Univ. of Illinois. At Jet Propulsion Laboratory since 1956. Joined AGU 1961; elected Fellow 1989; President, Section of Solar-Planetary Relationships, 1982-1984.

SOLOMON
1996-1998

Sean Solomon, planetary scientist, born Los Angeles, October 24, 1945. Ph.D., 1971, Massachusetts Institute of Technology. Assistant Professor to Professor, MIT 1972-1992; Director, Department of Terrestrial Magnetism, Carnegie Institution of Washington since 1992. Joined AGU 1967; elected Fellow 1980; President, Section of Planetology, 1986-1988.

KNAUSS
1998-2000

John A. Knauss, ocean scientist, born Detroit, Michigan, September 1, 1925. Ph.D., 1959, Scripps Institution of Oceanography. At Scripps 1955-1961; at Graduate School of Oceanography (founding dean), University of Rhode Island, since 1962; Administrator, NOAA, 1989-1993. Joined AGU 1950; elected Fellow 1966; President, Section of Oceanography, 1965-1968.