Robert N. Hall - Wikipedia
https://en.wikipedia.org/wiki/Robert_N._Hall
Robert
Noel Hall (December 25, 1919 – November 7, 2016) was an American
engineer and applied physicist. He demonstrated the first semiconductor
laser, ...
Fields: engineering, applied physics
Known for: Demonstration of the first semicond...
Awards: Marconi Prize (1989); National Invent...