Frank Christian Jensen was born on May 18, 1904. Jensen served as a first aid attendant for the Bureau of Reclamation on the Hoover Dam (Boulder Dam) Project from 1932 to 1969, interrupted by World War II and the Korean War, where he served as an assistant flight surgeon. Jensen retired from the Bureau of Reclamation on October 22, 1969 and passed away in 1978.

Source:

United States Congress. Congressional Record, Extension of Remarks. 91st Cong., 1st sess., Congressional Record 115, pt. 23: 30643-32004. April 22, 1969.