Arthur L. Irving, OC ONB (born 1930) is a Canadian businessman, born in New Brunswick, the second son of industrialist K.C. Irving. Arthur, along with his brother J.K., share the ownership of what is known informally as the Irving Group of Companies. With an estimated net worth of US$5.5 billion (as of March 2015) according to Forbes, Arthur Irving was ranked by Forbes as the 5th wealthiest person in Canada and 271st in the world.Following their father's death in 1992, ownership and responsibility for the Irving companies was divided as follows: Wikipedia