Garrett H. Leverton, born December 13, 1896, in Huntington, Indiana, was an early twentieth century American theater educator, scholar, and producer. He earned a Bachelor of Arts degree from DePauw University in 1919, a Master of Arts degree from Northwestern University in 1925, and a Doctorate of Philosophy from Columbia University in 1936.
Leverton held the positions of instructor in speech at Lake Forest College from 1924-26 and assistant professor of speech from 1926-28; he also served as the Lake Forest College Dean of Men from 1925-28. In 1928, Leverton became both a professor of dramatic production at Northwestern University and the director of the University Theatre. Moving to New York City in 1937, Leverton joined the Samuel French firm, a company that specializes in play publication, author representation, and script sales, where he came to be the editor-in-chief. Leverton furthermore taught playwriting at Columbia University from 1946-1948.
Leverton was nominally known for his support of Lynn Riggs’ play Green Grow the Lilacs, which was eventually adapted into the Rodgers and Hammerstein musical Oklahoma!.
Leverton was unmarried and died of a heart attack on November 11, 1949.