- Alfred Harker (petrologist)
Alfred Harker FRS (
February 19, 1859- July 28, 1939) was an English geologist who specialised in petrologyand interpretive petrography. He worked for the Geological Survey of Scotland and conducted extensive surveying and geological studies of western Scotlandand the Isle of Skye. He and other British geologists pioneered the use of thin sections and the petrographic microscopein interpretive petrology.
Education and career
Harker's father was the
Yorkshirecorn merchant Portas Hewart Harker, his mother Ellen Mary Harker. He attended Hull and East Riding College, and the private Clewar House School(Windsor) before enrolling as an undergraduateat St. John's College ( Cambridge) from where he graduated with an M.A. in January 18, 1882. In 1884 he held the post of Demonstrator in the Geology Department under Thomas McKenny Hughes(whom he regarded his mentor), as Lecturerat Newnham Collegein 1892 at St. Johns College, as University Lecturer in 1904, and as Reader in Petrology in 1918.
Honors and awards
In 1907, he was awarded the society's
Murchison Medal, in 1922 he was awarded the Wollaston medalby the Geological Society of London, to which he had served as president from 1916-1918, and in 1935 the Royal Medalof the Royal Society(Fellow since 1902). The University of Edinburghawarded him with an honorary doctoral degree in law in 1919. Harker Glacieron South Georgia IslandUnited States Geological Survey (2002). [http://geonames.usgs.gov/pls/gnisarchive/webant.antquery?fname=Harker&variant=no&ftype=&elev1=&elev2=&descr=&ndeg=&nmin=&wdeg=&wmin=&wdir=W&edeg=&emin=&edir=W&sdeg=&smin=&tab=y "Feature Name: Harker"] . United States Geological Survey, United States Department of the Interior. Retrieved May 10, 2007.] , Mount Harkerin Antarctica, and Dorsa HarkerUnited States Geological Survey (2007). [http://planetarynames.wr.usgs.gov/jsp/FeatureNameDetail.jsp?feature=61765 "Moon: Dorsa Harker"] . Gazetteer of Planetary Nomenclature Feature Information. Retrieved June 20, 2007.] , a feature on the Moon, are named after him. The mineral harkerite, first found on the Isle of Skye, is named after him. After his retirement, he was given the post of honorary curatorof the Cambridge Petrological Museum, and their extensive rock collection bears his name.
*"Petrology for Students", 1895, Cambridge University Press
*"The Tertiary Igneous Rocks of Skye", 1904, Geological Survey of Scotland Memoir
*"The Natural History of Igneous Rocks", 1909, Macmillan
*Young, Davis A., (2003) "Mind Over Magma: The Story of Igneous Petrology", Princeton University Press. ISBN 0-691-10279-1
*Seward, A.C. and Tilley, C.E. (1940) "Alfred Harker. 1859-1939" (Obituary), Obituary Notices of Fellows of the Royal Society 3(8): 196-216.
* Bragg, William (1939) "Address of the President Sir William Bragg, O.M., at the Anniversary Meeting, 30 November 1939", Proceedings of the Royal Society of London, Series A, Mathematical and Physical Sciences 173(954):286-312 (Dec 18, 1939). Obituary pp. 294-295.
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