Accordionist who played for The Lawrence Welk Show from 1950 until 1980. Welk nicknamed him the Happy Norwegian.
His fascination with the accordion as a child helped him to overcome scarlet fever.
He was invited to join the regular lineup of The Lawrence Welk Show after playing the song Lady of Spain when he was a guest.
He had five daughters with his wife Berdyne Koerner.
He played in The Lawrence Welk Show with trumpet player Johnny Zell.