Person Sclater; John George (1940 - 2024); geophysicist and oceanographer Sclater John George geophysicist and oceanographer 1940 - 2024 British Male Edinburgh, Scotland, United Kingdom 17/06/1940 19400617 San Diego, California, USA 20/10/2024 20241020 Memrial service: Martin Johnson House, Scripps Institution of Oceanography campus (31 January 2025)

Geophysicist and oceanographer Plate tectonics Earth Science Geophysics Oceanography Education: Early education at Clark Cemp, boarding school run by Jesuits, Edinburgh; Stonehurst, English boarding school until age of 18; Edinburgh University; Cambridge University PhD 1966 Career: Researcher, Scripps Institution of Oceanography (1967-1972); Massachusetts Institute of Technology (1972), becoming Professor (1977); Shell Distinguished professor of geophysics, and Associate Director to the Institute for Geophysics, University of Texas, Austin (1983-1990); Professor of geophysics, Scripps Institution of Oceanography University of California at San Diego (1990-2017); retired (2017). Memberships: American Geophysical Union in 1981 Guggenheim Fellow 1998 National Academy of Sciences 1989 Siblings: Elizabeth Sclater and Marjory Lally. Spouse: Naila Gloria Sclater Children: Daniela Elyza Sclater, Iain Sclater and Stuart Sclater of San Diego (from his first marriage) Stepchildren: Fabio De Faria and Felipe Da Costa Known for his work on the evolution of ocean basins. He convincingly demonstrated that the age of the sea floor controls its depth, and then used this empirical relationship to investigate the thermal structure of plates, to work out the evolution of he Central Eastern Pacific where magnetic anomalies could not be recognised and to produce paleobathymetric maps. This use of plate tectonics to understand oceanic bathymetry was one of his major successes. His other major contribution concerned the complicated evolution of the Indian Ocean. This work produced an evolutionary framework from magnetic anomalies which he among others confirmed by drilling, and later lead to new ideas about the evolution of aseismic ridges. He also made important contributions to understanding the evolution of margin basins, and the hydrothermal circulation in the oceanic crust. Fellow 18/03/1982 41 The Royal Society Fellows Directory, Professor John Sclater FRS, [URL: https://royalsociety.org/people/john-sclater-12243/; last accessed: 15/04/2025] Ever Loved, Obituary, In memory of Dr. John G Sclater, PhD [URL: https://everloved.com/life-of/john-sclater/obituary/; last accessed: 15/04/2025] UC San Diego, Scripps Institution of Oceanography, John G. Sclater: 1940-2024, Robert Monroe, 07 Novemver 2024 [URL: https://scripps.ucsd.edu/news/john-g-sclater-1940-2024; last accessed: 14/04/2025] International Standard Archival Authority Record for Corporate Bodies, Persons and Families - ISAAR(CPF) - Ottawa 1996 ISBN 0-9696035-3-3 National Council on Archives, Rules for the Construction of Personal, Place and Corporate Names, 1997 https://royalsocietypublishing.org/action/doSearch?ContribAuthorRaw=Sclater%2C+John+George 17 Jun 1940 - The past Fellows entries are under continuous revision. If you have queries or additional information to contribute, please contact Library@royalsociety.org. Content in external sources is not controlled by the Royal Society and historical sources may include content that is now unacceptable. Reviewed on 15/04/2025 as part of the Name Authority Project update. NA4785 21/11/2001 Andyg Pmab 17/03/2026 RS_NET\VirginiaM Yes 437e01c2-d8e2-4ffd-990b-6b9d54200d4a