He represented Milestone from 1948 to 1964 in the Legislative Assembly of Saskatchewan as a Co-operative Commonwealth Federation (CCF) and then Liberal member.
He was born near Lang, Saskatchewan, the son of Ferdinand Erb and Rosa Wagner, and was educated at Luther College in Regina, at the University of Manitoba and the Chicago Conservatory of Music.
After going on a concert tour in the United States, Erb returned to Regina, where he taught music and was dean of boys at Luther College.
[1] Erb was an unsuccessful Liberal candidate for the Regina East seat in the provincial assembly in 1964.
[2] After leaving politics, he served as chairman of the Workmen's Compensation Board.