Walt Hempel advised that Donald Stephen Hennel passed away on 3 May 2021 in Mllersville, Pa..  Donald was an Evening student.  He had a long career as an Engineer for Westinghouse, Boeing Vertol, J. E. Baker Company and others.

I have no other information at this time.

https://www.legacy.com/us/obituaries/delcotimes/name/Donald-Hennel-obituary?id=20782479