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Episodes 1991; 14(4): 341-343

Published online December 1, 1991


Copyright © International Union of Geological Sciences.

John Graham Ramsay

Allan López1,2,3,4

1Costa Rican Geological Society(Colegio de Geólogos de Costa Rica)
2Structual Geology and Tectonics at the Central American School of Geology, University of Costa Rica
3Geological Coordination Office in the Costa Rican Energy and Communications Institute, Instituto Costarricense de Electricidad(I.C.E)
4IUGS Commission on Tectonics

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.


From his early studies of the complex geometry of a superimposed folding system to his demonstration of the importance of mathematical, mechanical, and geometrical techniques in the study of the origin and deformational conditions of rocks. John G. Ramsay has been one of the most influential personalities in structural geology in the last 40 years. He is profiled herein in commemmoration of his 60th birthday in 1991.