| Date | Text | |
|---|---|---|
29 May 1866
Henry Darwin Rogers |
death Henry Darwin Rogers Died 29 May 1866 at age 57 (born 1 Aug 1808). American structural geologist who contributed much to the theory of mountain building through his studies of the geology of Pennsylvania. The Dept.of Geology and Mineralogy at the University of Pennsylvania was founded in 1835 with Rogers as its first professor. Professor Rogers organized and directed the first Geological Survey of the State as the first State Geologist of Pennsylvania. Together with his brother William, he mapped Pennsylvania, New Jersey and Virginia, including much of the Appalachian Mountain system, interpreting the stratigraphy and structure and thus providing the first adequate understanding of the geologic structure of any large mountain belt. |
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