 His father, Eddy Kazuo Shimomura, was a pharmacist, and his mother, Aya, was a homemaker.Both parents were U.S.-born "nisei" whose parents had emigrated from Japan in the early 1900s.After the attack on Pearl Harbor and the beginning of Japanese incarceration, his family was forcibly relocated and incarcerated at Camp Harmony in Puyallup, Washington, then transported to the more permanent Minidoka camp in Idaho.