Campbell family members pose for a photo at the Museum of Science and Industry in Chicago’s Jackson Park. Front row: Nell (Mrs. J. Edgar) Campbell, Irene (Mrs. Roy) Robinette, Laura A. Campbell, and Katheryn (Mrs. Richard D. ) Leonard. Back row: J. Edgar Campbell, Roy Robinette, Alan B. Campbell, E. Verne Campbell, Jr., and Dr. Richard D. Leonard. The photo apparently dates from 1937.