John Bardeen — Questions and answers
What new small device was created in 1947 at Bell Telephone Laboratories?
Answer: A point-contact transistor
What did John Bardeen suggest could happen to electrons at the surface of a semiconductor material?
Answer: They could get 'trapped'.
What year did John Bardeen win his second Nobel Prize in Physics?
Answer: 1972
How many Nobel Prizes in Physics did John Bardeen win?
Answer: Two