John G. Enderlin was born on August 16, 1888. In 1903, he began work as an office boy in the New York City headquarters of the Delaware, Lackawanna and Western Railroad Company, rising through the ranks in the president's and secretary's offices to become secretary-treasurer in 1933. He retired at the end of 1956 and died on September 28, 1981.
From the description of The Enderlin Collection of Delaware, Lackawanna and Western Railroad Company Records, 1835-1956. (Hagley Museum & Library). WorldCat record id: 164038029