Archibald Geikie
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Sir Archibald Geikie was a Scottish geologist and writer.
Sir Archibald Geikie, by Wener & Son.
The Grand Canyon, Arizona, at the confluence of the Colorado and Little Colorado rivers
Geikie Gorge National Park, Fitzroy River, 2007
Charles Doolittle Walcott, John Wesley Powell, and Sir Archibald Geikie on a geological field excursion to Harpers Ferry, West Virginia, May 1897, following the George Huntington Williams Memorial Lectures delivered by Sir Archibald Geikie at Johns Hopkins University
Roderick Murchison
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Sir Roderick Impey Murchison, 1st Baronet, was a Scottish geologist who served as director-general of the British Geological Survey from 1855 until his death in 1871. He is noted for investigating and describing the Silurian, Devonian and Permian systems.
Sir Roderick Murchison
Vanity Fair print of Sir Roderick Murchison
Roderick Impey Murchison posing with cane
Murchison photographed by Camille Silvy in 1860