Franklin W. Kolk (1919-1976) devoted most of his career to the advanced design of large, commercial airliners. After graduating from the Massachusetts Institute of Technology in 1941 with an aeronautical engineering degree he worked for American Airlines from 1943-1976. He made technical contributions to several American Airlines airplanes, including the DC-6, DC-7, Lockheed Electra, the Boeing 707, and the DC-10. He eventually became Vice-President of Technical Development for American Airlines in 1968.
From the description of F.W. Kolk papers, 1937-1976. (University of Wyoming, American Heritage Center). WorldCat record id: 46369466