Walter Houser Brattain (/ˈbrætən/; February 10, 1902 – October 13, 1987) was an American physicist at Bell Labs who, along with fellow scientists John Bardeen and William Shockley, invented the point-contact transistor in December 1947.^[1] They shared the 1956 Nobel Prize in Physics for their invention. Brattain devoted much of his life to research on surface states.
https://en.m.wikipedia.org/wiki/Walter_Houser_Brattain