T. H. Clark

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "T. H. Clark" – news · newspapers · books · scholar · JSTOR (March 2021) (Learn how and when to remove this message)

Thomas Henry Clark, Ph.D., FRSC (December 3, 1893 – April 28, 1996)^[1] was a Canadian geologist who is considered to have been one of the nation's top scientists of the 20th century. He was a professor who authored over 100 scientific publications. After his death, a mineral was named in his honour.

Clark was born in London, England. He emigrated to the United States and attended Harvard University. In 1917, he graduated with an A.B. The start of World War I interrupted his studies. He enlisted in the U.S. Army Medical Corps (1917–19) and served in France. Clark returned to Harvard after the war and obtained his A.M. (1921) and Ph.D. (1923).