Richard Harry Seaborn (born April 25, 1917
The son of Ernest Frederick Seaborn, Seaborn was educated at the University of Alberta and the Juilliard School of Music in New York. He later spent three years in a seminary with the intention of becoming a minister (during his time in the legislature, he was a member of the Salvation Army). He served as music director of CJAY-TV, and was concertmaster and assistant conductor of the Winnipeg Symphony Orchestra from 1942 to 1957. Seaborn also holds a Public Utility Accountancy Certificate.
He was first elected to the Manitoba legislature in the 1958 provincial election,