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Jefferson, Mark Sylvester Williamlocked

(01 March 1863–08 August 1949)
  • Allen D. Bushong

Extract

Jefferson, Mark Sylvester William (01 March 1863–08 August 1949), geographer, was born in Melrose, Massachusetts, the son of Daniel Jefferson, a literary editor, and Mary Mantz. The wooded areas in and around Melrose afforded Jefferson his earliest contacts with nature, while his father’s work instilled in him a love of learning. Jefferson entered Boston University in 1880 but left after three years and moved to Argentina. There he used his mathematical skills as an assistant at the National Observatory in Córdoba from 1883 to 1886, then for an equal amount of time as the superintendent of a sugar estate at Tucumán. The experiences and insights he absorbed living in these two locales on Argentina’s western reaches later were woven into several works he completed on southern South America after World War I....

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