Seager Wheeler, MBE was a Canadian agronomist. Wheeler produced viable economic wheat and fruit strains for a short prairie growing season with harsh winters. Known as the "Wheat King of the prairies" or "The Wheat Wizard of Rosthern" he owned and operated the Seager Wheeler's Maple Grove Farm. He was designated as a person of national historic significance in 1988 by the Canadian federal government and inducted into the Saskatchewan Agricultural Hall of Fame.