Elmer Lewis Greensfelder (February 7, 1892 in Baltimore, Maryland - December 19, 1966) was a playwright and inventor. In 1911 he graduated from Johns Hopkins University, and later he used his degree to serve in World War I. [1]
In 1932 Elmer Greensfelder won a contest from the Drama League of America for his play Broomsticks-Amen!. [2] Greensfelder also wrote the play Half Past Heaven. [3] Some of his other plays include The Saints Draws a Daggar, The Crocodile Chuckles, Six Stokers Who Own the Bloomin' Earth, and Mark Twain. [4]
Greensfelder was an inventor with numerous approved patents, including one for "Method and Apparatus For Synchronously Producing Sounds To Accompany Motion Pictures". This patent was a system that would make sound automatically play while a motion picture was playing. [5] Other patents include "Changeable Profile Toy" [6] and "Loose Leaf Binder". [7]