Frank K. MacMahon
United States of America
Frank K. MacMahon was the Manager Military Liaison, The Boeing Company's Vertol Division. MacMahon, a Colonel in the United States Army Reserve, was a charter member of the Army Aviation Association of America and the American Helicopter Society. He was a former vice president of each organization. MacMahon was also a member of the AUSA, the AOA, and the Twirly Birds.
Obituary (pg-36) : Vertiflite April 1964