February 4, 1948

1948:    Otto Praeger, the founder of US airmail service, dies. From left to right, Airmail Pilot Robert Shank; Dr. Julius Juhlin, postmaster general of Sweden; and Second Assistant Postmaster General Otto Praeger pose for a photograph at the Washington, D.C. airfield in College Park, Maryland, on March 8, 1919. (USPS)