Admiral John Edward Gingrich was an officer in the United States Navy who served as the first chief of security for the United States Atomic Energy Commission from 1947 to 1949, and as Chief of Naval Material from 1953 to 1954. He retired from the Navy as a four-star admiral. Wikipedia*
On the C-SPAN Networks:
John Gingrich has one video in the C-SPAN Video Library; the first appearance was a 2012 Senate Committee.