Kenneth Farrington Kressler (1895-1966) graduated from Lafayette College in 1920, after serving in World War I. After training with Section 61 of the Lafayette College Ambulance Unit, he was assigned to serve with Section 643 of the Twentieth Division of the French Army as part of the United States Army Ambulance Service. He remained in Easton, Pennsylvania and began a long career in finance as president of the insurance firm of Kressler, Wolff, and Miller, Inc. Contains 87 letters Kenneth F. Kressler wrote to his family in Easton, Pennsylvania while he served with the United States Army Ambulance Service during World War I. The letters document Kressler’s training in Pennsylvania during the latter half of 1917 and his service in France from January 1918 to April 1919. Also included in the collection are a few photographs and printed material.