Smart joined as a patent agent at the age of 19 with only a mechanical engineering degree from the University of Toronto .
Smart was later called to the Bar of Quebec in 1911 and to the Bar of Ontario in 1922 .
Smart joined as a patent agent at the age of 19 with only a mechanical engineering degree from the University of Toronto , and he was later called to the Bar of Quebec in 1911 and to the Bar of Ontario in 1922 .