Right Honourable Sir Lyman Poore Duff 1865-1955
One of the Commonwealth's most eminent jurists, L.P. Duff was born in Meaford and educated at the University of Toronto and Osgoode Hall. Called to the bar of Ontario in 1893, he practised law in that province and in Victoria, B.C., until he became a judge of the Supreme Court of British Columbia in 1904. Appointed to the Supreme Court of Canada in 1906, he was an expert in the field of constitutional law, particularly as applied to provincial and federal rights. In 1931 he headed a royal commission investigating the country's railways. Appointed to the Imperial Privy Council in 1918, he served as Canada's Chief Justice, 1933-44, and was knighted in 1934.
Plaque via Alan L. Brown's site Ontario Plaques. Full page here.