DescriptionLammot du Pont II (1880–1952), American business executive, 1941.tif
English: Portrait photograph of Lammot du Pont II (1880–1952), former president of the E.I. du Pont de Nemours & Company (1926–1940) and chair of the board of the directors
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.