Sheldon, Harold Horton, 1893-1964

found: LCCN 21-349: His Charcoal activation, 1920(hdg.: Sheldon, Harold Horton, 1893- ; usage: Harold Horton Sheldon)

found: New York Times, December 24, 1964, viewed October 14, 2015(Dr. Harold Horton Sheldon; died December 23, 1964 at age 71; teacher, author, inventor, editor; physics department, Roosevelt University from 1956 to 1964; native of Brockville, Ont.; attended Queen's College, the University of Chicago and the Brooklyn Polytechnic Institute) - http://www.nytimes.com/1964/12/24/dr-h-h-sheldon-a-physicist-dies.html

found: Wikipedia, viewed March 17, 2020(Harold Horton Sheldon; born April 13, 1893; died December 23, 1964; Canadian-American physicist; scientist, inventor, teacher, editor and author; science editor who wrote on futuristic subjects, especially human space travel)

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