Smart and Elizabeth Jones, and received a degree in forestry from the University of New Brunswick in 1917.
[1] He first worked for the Dominion Forest Service and then joined the National Parks Branch in 1930.
[2] Smart served as Controller of the federal Department of Mines and Resources and as Controller of the National Parks Branch from 1941 until 1950 and as Director of the National Parks Branch from 1950 until he retired from the civil service in 1953.
[3] In 1946, Smart was made an Additional Officer of the Civil Division of the Order of the British Empire.
[6] Smart also was responsible for researching and planning the relocation of gravestones and remains from cemeteries in Ontario that would be flooded by the creation of the Saint Lawrence Seaway.