Background
He was born on July 5, 1930, the son of John H. MacMillan, Junior. and Marion Dickson.
Businessman director of Cargill
He was born on July 5, 1930, the son of John H. MacMillan, Junior. and Marion Dickson.
He graduated from Brown University in Providence, Rhode Island.
He wrote the -Cargill family history and led several companies, some of which he established himself. died on October 31, 2006 of an apparent heart attack at his winter home near Jupiter, Florida, aged 76.
MacMillan was a board member of Cargill for three decades.