High Quality Content by WIKIPEDIA articles! Robert Gordon Robertson, PC, CC, FRSC (born May 19, 1917) was Commissioner of the Northwest Territories from November 15, 1953 to July 12, 1963 who, having been sworn in at the age of 36, remains the youngest person to ever hold the office. He went on to become Clerk of the Privy Council and Secretary to the Cabinet, the top position in the Canadian public service.