In 1952, he switched careers again entering the photography business and forming a photographic supply and microfilming company.
[2] As an alderman and then a member of the Board of Control, he was the chairman of council's development committee for much of his term on council, prior to becoming mayor, and helped guide the municipality from being an "open fields" township to a semi-urban area and is credited with leading the development of Flemingdon Park, and along with then-mayor James Service, the introduction of high rise development in Willowdale around Yonge Street,[4] which would eventually become North York's downtown.
[2] He played a critical role in acquiring land on which Seneca would build its campus as well as property for the construction of North York General Hospital.
Hall promised to only serve a single term as mayor and that he would bring in "business-like procedures" to North York's government.
[5] Despite his support for the provincial Progressive Conservatives, Hall, who had championed the construction of the Spadina Expressway throughout his mayoralty,[6] clashed with Ontario Premier Bill Davis after the provincial government bowed to pressure from downtown Toronto residents and cancelled the completion of the expressway in 1971.