| 1. |  | Ralph E. Bailey receives the symbolic hood of the doctor of engineering degree | Hansen, Arthur G.; Graduation ceremonies; Purdue University--Administration; Purdue University--Rites & ceremonies | Photograph of President Arthur G. Hansen, 5/15/1979,Ralph E. Bailey, Greenwich, Conn., center, chairman and chief executive officer, Continental Oil Co., receives the symbolic hood of the doctor of engineering... |
| 2. |  | President F.L. Hovde and John J. Swearingen | Hovde, Frederick L., 1908-; Purdue University--Administration; Graduation ceremonies;Robes; Purdue University--Rites & ceremonies | Photograph of President F.L. Hovde; PURDUE HONORS AIRCRAFT INVENTOR -- The inventor of the jet aircraft oxygen equipment and a renowned researcher in transportation safety, John J. Swearingen, chief of... |