Background
Yerkes, Leonard A. was born on September 11, 1880 in St. David’s, Pennsylvania, United States. Son of Augustus A. and Elizabeth E. (Ehret) Yerkes.
Yerkes, Leonard A. was born on September 11, 1880 in St. David’s, Pennsylvania, United States. Son of Augustus A. and Elizabeth E. (Ehret) Yerkes.
Bachelor of Science, University Pennsylvania, 1902, D.S., 1945.
Associate, Joseph Bancroft & Sons Company, 1902-1917, vice president, 1913-1917. Head development department Éleuthère Irénée du Pont de Nemours & Company, 1917-1920, president Du Pont Rayon Company, 1920-1936, Du-Pont Cellophane Company, 1923-1936, general manager rayon department Éleuthère Irénée du Pont de Nemours, 1936-1945, director, since 1925. Retired, 1945. Director United States Finishing Company.
Member Society Colonial Wars, Wilmington Country.
Married Helen J. Joyce, April. Children: Evelyn (Mistress Robert A. Ramsdell), Leonard A., Elizabeth C. (Mistress Joseph H. Dallett), William J., Jane L. (Mistress Ludlow Elliman), Remsen.