Holm, botanist Christine Korsgaard, philosopher Otto Larsen, sociologist known for academic work in mass hysteria and public positions on obscenity and pornography Dale T. Mortensen, economist Holger Thiele, astronomer Writers Poul Anderson, science fiction author Erik Christian Haugaard, author of children's books Axel Madsen, writer Ib Melchior, Danish born film director, science fiction author and screenwriter Joel Skousen, American author Mark Skousen, American economist and author Royal Skousen, American professor W. Cleon Skousen, American author Brad Torgersen, science fiction author Sophus Keith Winther, professor and novelist Other Jeff Bezos, founder of Amazon, biological father Ted Jorgensen, son of Danish immigrants Alma de Bretteville Spreckels, philanthropist John Wayne Gacy (1942–1994), serial killer Robert Hansen (1939-2014), serial killer known as the "Butcher Baker". Peter L. Jensen, engineer, inventor and entrepreneur and co-creator of the first moving-coil loudspeaker Johnson Outboards was founded by the Johnson brothers. Their father, Soren, was born in Denmark. Semon Knudsen, executive with Ford Motor Company and General Motors William S. Knudsen, Lieutenant general and executive with Ford Motor Company and General Motors Christian Mortensen, Danish-born supercentenarian, was longest-lived man on record at the time of his death Arthur Nielsen, American market analyst of Danish descent who founded the ACNielsen company and Nielsen Media Research, best known for the Nielsen ratings George Nissen, inventor of the trampoline, was the son of Danish immigrants Charles E. Sorensen, production engineer and executive with Ford Motor Company Claus von Bülow, Danish-born socialite accused of killing his wife Sunny References Danish Americans Americans Danish