Alexander Tilloch Galt - Sir Alexander Tilloch Galt GCMG PC (September 6 1817 September 19 1893) was a politician and a father of Canadian Confederation.He was born in Chelsea England the son of Scottish novelist and colonizer John Galt by his wife Elizabeth only daughter of Alexander Tilloch. He was a first cousin of Sir Hugh Allan of Montreal. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Office Holder