Elias Bernard Koopman

Elias Bernard Koopman (1860 – August 23, 1929) was a founder of the American Mutoscope and Biograph Company.

[2] He later headed the Runsyne Corporation, a maker of electrical signs.

In 1895 with William Kennedy Dickson and Herman Casler and Henry Norton "Harry" Marvin he founded the American Mutoscope and Biograph Company.

[1] He committed suicide by stabbing himself in the abdomen in 1929 in the Hotel Cumberland.

He left a note for his brother, Harry Koopman telling him of his intentions.

First meeting of the members of the K.M.C.D. Syndicate on September 22, 1895, from left: Henry Norton "Harry" Marvin, William Kennedy Laurie Dickson, Herman Casler, and Elias Bernard Koopman taken at the home of Harry Marvin, Canastota, New York