John Hugh MacMillan

John Hugh MacMillan III (February 28, 1928 - April 23, 2008) was an American billionaire businessman. Early life He was born on February 28, 1928, in Minneapolis, Minnesota, the son of John H. Macmillan Jr. and Marion Dickson, and grew up in Wayzata, Minnesota. He was educated at the Blake School, Berkshire School in Sheffield, Massachusetts, West High School, and the University of Minnesota. Career In 1955, MacMillan started working for Cargill, a company that his great grandfather had founded. Starting as a as a grain merchant, MacMillan held positions in Great Falls, Montana, Baton Rouge, Louisiana, and Minneapolis.