Claim: Prior to being an assistant professor at the McMath-Hulbert Solar Observatory from 1946 to 1948, Arthur Adel (November 22, 1908 – September 13, 1994), an American astronomer and astrophysicist,  was a faculty member in physics at the University of Michigan from 1942 to 1946.
Evidence: Arthur Adel (November 22, 1908 – September 13, 1994) was an American astronomer and astrophysicist. From 1946 to 1948 he was an assistant professor at the McMath-Hulbert Solar Observatory, then operated by the university, while also studying the effective radiation temperature of the ozone layer for the US Air Force at a base in New Mexico. During World War II, he worked for the US Navy in Washington, DC, de-gaussing submarines, and from 1942 to 1946 was a faculty member in physics at the University of Michigan.