The time in Arles became one of Van Gogh's more prolific periods: he completed 200 paintings, and more than 100 drawings and watercolours. He was enchanted by the local landscape and light; his works from this period are rich in yellow, ultramarine and mauve. His paintings include harvests, wheat fields and general rural landmarks from the area, including The Old Mill (1888), a picturesque structure bordering the wheat fields. This was one of seven canvases sent to Pont-Aven on 4 October 1888 in an exchange of works with Paul Gauguin, Émile Bernard, Charles Laval and others.
Van Dyke left high school in 1944, his senior year, intending to join the United States Army Air Forces for pilot training during World War II. Denied enlistment several times for being underweight, he was eventually accepted for service as a radio announcer before transferring to the Special Services and entertaining troops in the continental United States. He received his high school diploma in 2004 at the age of 78.