found: Pioniere der deutschen Wirtschaft, c2006:p. 6 (Klaus Jacobs) p. 283 (b. Dec. 3, 1936 in Bremen, Germany)
found: Sammlung Klaus J. Jacobs, 2017:page 9 (Klaus J. Jacobs; born December 3, 1936 in Bremen, died September 11, 2008 in Küsnacht; one the most important personalties in Europe's business world, patron of the arts, opened Jacobs Suchard Museum devoted to history of coffee in 1984)
found: Wikipedia, November 20, 2017(Klaus Johann Jacobs; German-born billionaire with a Swiss citizenship; active in coffee and chocolates industries)
