1999 Medalists

J. Freeman Gilbert: William Bowie Medal for his fundamental contributions to the field of geophysics and unselfish cooperation in research.
Arnold L. Gordon: Maurice Ewing Medal for his contributions to our knowledge of ocean circulation and for his tireless and constructive service within the ocean sciences community.
Paul H. Roberts: John Adam Fleming Medal for his outstanding contributions to process of the core and its dynamo.
Ikuo Kushiro: Harry H. Hess Medal for his fundamental contributions to petrology and a better understanding of the constitution and evolution of the Earth.
Wilfried H. Brutsaert: Robert E. Horton Medal for his significant contributions to the field of land-atmosphere hydrology.
Kenneth Farley, Rainer Hollerbach, and Jeroen Tromp: James B. Macelwane Medal, given in recognition of significant contributions to the geophysical sciences by young scientists (less than 36 years old).
Richard I. Walcott: Charles A. Whitten Medal for his pioneering contributions to geodynamics.
John M. Wallace: Roger Revelle Medal for his distinguished contributions to climate research exploring the low frequency variability and large scale structure of the atmosphere.

1999 Awardees

John W. Townsend, Jr.: Edward A. Flinn III Award for his visionary institutional leadership and dedicated management that has enabled scientists to accomplish the objectives needed to maintain U. S. leadership in science and technology.
David Sington: Walter Sullivan Award for his 4-part Earth science documentary titled "Earth Story" broadcast by the BBC which covered current research in many geoscience fields.
George M. Hornberger: Excellence in Geophysical Education Award for his demonstrated excellence in the training, support, and encouragement of students in the geophysical sciences.