Raul Proehl at airport | University of Illinois Archives
Black and white photograph of Raul O. Proehl entering an airplane at Willard Airport.
From the caption:
"Raul O. Proehl (left), assistant to the director, Business Management Service, about to enter airplane with Pilot Ralph E. Flexner, Institute of Aeronautics instructor, to fly to meeting with businessmen."
Found in RS 39/2/20, COL 1-9 1948
Original print is 12.6 x 9.9 cm
Commerce and Business Administration, College of