F(rederick) L(eslie) Ransome

Geologist, born in Greenwich, Greater London, UK. He emigrated to San Francisco with his family in 1870. After teaching geology at Harvard (1986–97), he joined the US Geological Survey (1897–1923), where he made field investigations of Western US metal mining. He joined the University of Arizona (1923–7), then taught part-time at the California Institute of Technology (1928–35). He made major contributions to studies of water and dam management and the importance of foreknowledge of geological faults in mining projects.

Frederick Leslie Ransome, Ph.D. (1868–1935) was an American geologist, born at Greenwich, England. He was employed on the United States Geological Survey afterwards. He became associate editor of Economic Geology and of the Journal of the Washington Academy of Sciences.