Robert N. Hall, 96, Whose Inventions Are Everywhere, Is Dead

Source: https://www.nytimes.com/2018/05/10/obituaries/robert-n-hall-96-whose-inventions-are-everywhere-is-dead.html?partner=rss&emc=rss
May 13, 2018 at 08:03PM

He came up with a semiconductor laser used in supermarket scanners, printers and remote controls. His magnetron was adapted for the microwave oven.