Question: When was the transistor that won the Nobel Prize for research on semiconductors and discovery of the transistor effect created?
Sentence (from "Walter Houser Brattain"): 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.
Relevant evidence: Yes