Sir William Pearce Howland (1811-1907)
A prominent businessman and philanthropist, Howland was a leading Reform politician and a Father of Confederation. Founder of Lambton Mills, he was elected to the provincial legislature in 1858. He served in the Great Coalition government of 1864, which achieved the federal union, and attended the 1866 London Conference, where the text of the British North America Act was finalized. Elected to the first federal parliament, he resigned in 1868 to become the second lieutenant governor of Ontario. The remainder of his life was devoted to business and charitable works.
Plaque via Alan L. Brown's site Toronto Plaques. Full page here.