He married BJS (living?) in Vancouver, British Columbia on June 24, 1952. They had no children and divorced in 1958.
About four years later, John married SMS (living?). The wedding took place in London, England on April 19, 1962. They later divorced.
John and SMS had one child:
John died in Ste Adele Quebec on August 3, 2002. and is buried at the Ste Adele Cemetery.
In the Campbell genealogy she prepared in the early 1980s, Margaret Lindner quotes John’s entry in Who’s Who. (p. 190).
Rook, John William. Canadian. Director, Hafner Fabrics of Canada Ltd.; member, Bd. of Management, Queen Elizabeth Hospital of Montreal. B. 1925. Educ. Univ. of Toronto (BA Sc, Chem Eng); Harvard School of Bus. Admin. (MBA with distinction). Time and motion study engineer, Procter & Gamble Mfg. Co. Ltd.The International Year Book & Statesmen’s Who’s Who, 1973 Edition
1946-47; HarvardBusiness School 1947-49; Bank of Canada, Ottawa, Economic Research 1948; Industrial Development Bank, Montreal and Vancouver 1949-52; Assistant to the President (securities research and sales) Yorkshire Securities Ltd., Vancouver, 1952-53; Asst. to Vice-Pres., Cochran, Murray & Co. Ltd. 1953-55; Gen.-Mgr., Power Corp. of Canada Ltd. 1956-62 Address: R.R. 16 Ste. Adele, Quebec Canada.
An article by Sophie Cousineau in the November 3, 2001 edition of Montreal’s La Presse, tells the story of how, in 1960, John and two friends, John Dobson and Walter Cottingham, had launched a mutual fund called the Formula Growth Fund. Between 1960 and 2001, the value of the fund grew from 134 thousand to 235 million US dollars. The title of the article is “The Best-Kept Secret Formula in Town.”
The Formula Growth Fund still exists.