William Duncan MacMillan (businessman)
| W. Duncan MacMillan | |
|---|---|
| Born | William Duncan MacMillan July 5, 1930 | 
| Died | October 31, 2006 (aged 76) Jupiter, Florida, US | 
| Occupation | Businessman | 
| Title | Director of Cargill | 
| Spouse(s) | Sarah Stevens (died 1995) Nivin | 
| Children | 4 | 
| Parent(s) | John H. MacMillan, Jr. Marion Dickson | 
| Relatives | John Hugh MacMillan (brother) Marion MacMillan Pictet (sister) William Wallace Cargill (great-grandfather) Beej Chaney (son-in-law) | 
William Duncan MacMillan (July 5, 1930 - October 31, 2006) was an American businessman. A longtime director of Cargill, he maintained a generally low profile. Forbes Magazine assessed him to be a billionaire by the 1970's