Lake Shore News (Wilmette, Illinois), 12 Jun 1913, p. 1 Harold F. McCormick, of Lake Forest, and son-in-law of John D. Rockefeller, had his first trip in his flying boat over Lake Keula. Glenn Curtiss flew the airship, with McCormick as passenger.
Lake Shore News (Wilmette, Illinois), 12 Jun 1913, p. 1 Harold F. McCormick, of Lake Forest, and son-in-law of John D. Rockefeller, …