Mihara is a
second generation Japanese American who was born in
Japantown,
San Francisco,
California in the early 1930s. He is an American
citizen by birth. Prior to his family's incarceration, his father worked as a journalist. Following the start of
World War II, Mihara was imprisoned at the age of 9 along with over 120,000 Japanese Americans to move to concentration camps by President
Franklin D. Roosevelt's
Executive Order 9066. His family was moved to
Heart Mountain, a prison camp located in a remote area of
Wyoming, where they were imprisoned for three years. At the camp, his family was forced to live in a 20 square foot room. Following the war, the Mihara family moved home to San Francisco. He graduated from
Lick Wilmerding High School. Then, he studied at the
University of California, Berkeley, graduating in 1956 with a bachelor's in engineering. == Engineering career ==