President F.L. Hovde and John J. Swearingen

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 protection and survival laboratory, Civil Aeromedical Institute, Federal Aviation Administration Aeronautical Center, Oklahoma City, Okla., received the honorary degree of Doctor of Aviation Technology from Purdue University (June 8). President Frederick L. Hovde (right) conferred the degree at the morning session of the university's 117th commencement exercise