Background
Mauger was born in Williamstown in Victoria to Albert Stephen Bamford, an electrical engineer in the fire brigade, and Matilda May Walker.
Mauger was born in Williamstown in Victoria to Albert Stephen Bamford, an electrical engineer in the fire brigade, and Matilda May Walker.
He was the Liberal member for Monaro in the New South Wales Legislative Assembly from 1965 to 1976, and was Minister for Youth, Ethnic and Community Affairs from 1975 to 1976. The family moved to Canberra in 1926, and Mauger attended public schools in Telopea Park. He served in the Citizen Military Forces from 1936 until 1940, when he enlisted in the Royal Australian Air Force.
In 1945 he retired as a sergeant.
He was elected to Queanbeyan City Council in 1953, serving until 1959 (as Deputy Mayor 1956, 1958–1959). In 1965, the Labor member for Monaro, John Seiffert, retired.
He held the seat with safer margins in subsequent elections, and in 1975 was made Minister for Youth, Ethnic and Community Affairs. He resigned both from both his ministry and parliament in 1976, and died shortly afterwards in Queanbeyan.