He earned a degree in civil engineering from Purdue University and spent a majority of his career with the Delaware, Lackawanna and Western Railroad before leaving in 1920 to form his own consulting practice in New York City.
He earned a degree in civil engineering from Purdue University in 1905 and an honorary doctorate in 1949. Cohen spent a majority of his career with the Delaware, Lackawanna and Western Railroad before leaving in 1920 to form his own consulting practice in New York City.