"American playwright" . "1862-02-17Z"^^ . "1935-10-21Z"^^ . "1862Z"^^ . "Mitchell, Langdon Elwyn"@en . . "1935Z"^^ . . "Langdon Elwyn Mitchell (February 17, 1862 \u2013 October 21, 1935) was an American playwright popular on Broadway in the early twentieth century. He was the son of a noted writer and neurologist, S. Weir Mitchell (inventor of the \"rest cure\"), and the grandson of writer and physician John Kearsley Mitchell. Born in Philadelphia, he studied in Dresden and Paris, attended the Harvard and Columbia law schools, and was admitted to the New York bar in 1886."@en .