Birth Name: Arthur Fred Gebhardt
Place of Birth: Rockville, Connecticut, USA
Date of Birth: February 26, 1929
Ethnicity: German, Irish, possibly Ashkenazi Jewish, and other
Family Background: Arthur Gebhardt was a leading Army Veteran of the Korean Conflict and a well regarded gauge maker from Pratt and Whitney Aircraft.
Arthur was the son of Carl Frederick Gebhardt and Mary Catherine Pfeiffer.
His maternal grandparents were Edward James Pfeiffer and Mary Jane Doherty. Mary’s parents were born in Ireland.
Arthur is listed on some websites of having partial Jewish ancestry. This is unverified but possible.
Source: ancestry.com records
https://www.myheritage.com/names/arthur_gebhardt
https://en.wikipedia.org/wiki/Arthur_Gebhardt