Walter Houser Brattain, American physicist and engineer, Nobel Prize laureate (b. 1902)
Walter Houser Brattain (; 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. They shared the 1956 Nobel Prize in Physics for their invention. Brattain devoted much of his life to research on surface states.

Walter was an active member of Walla Walla Country Club in the 1970s until his death in 1987