William Mulock was born in Bond Head where his father practised medicine. He graduated from the University of Toronto 1863 and was called to the Bar in 1867. A strong proponent of university federation. Mulock served his Alma Matu successfully as Senator and Vice-Chancellor 1873-1900 and became Chancellor in 1924. First elected to the House of Commons in 1882, he was Postmaster General in the Laurier cabinet 1896-1905. There he introduced Imperial penny postage, the trans-Pacific cable and far-reaching labour legislation. Knighted in 1902, Sir William was Chief Justice of Ontario 1923-1926.