Career
He was awarded the honorary degree of doctor of science from Kenyon College in 1926. In 1924 he was appointed Director of the Nela research lab in Cleveland. During World World War II he was associated with the Office of Scientific Research for Defense as well as the National Defense Research Council.
He was elected member emeritus and fellow of the Illuminating Engineering Society.
He served as president of the Optical Society of America from 1926 to 1927. He died on 30 June 1969.