sentences:  Knoll's sales force included Irving Blum, who was soon to become Andy Warhol's dealer for the groundbreaking Campbell's Soup Can show at the Ferus Gallery in Los Angeles in 1962.Knoll had his Porsche sent to Cuba for a business trip, and died in a car crash with a runaway truck in 1955 at the age of 41.He was survived by his widow Florence who became president of their company and his two children from an earlier marriage, Peter Knoll and Maria (Maja) Knoll.