Question: Thomas "Tom" John Ypsilantis was known for the co-discovery of the antiproton along with an Italian physicist who was awarded what in 1959?
Sentence (from "Thomas Ypsilantis"): Ypsilantis was known for the co-discovery of the antiproton in 1955, along with Owen Chamberlain, Emilio Segrè, and Clyde Wiegand.
Relevant evidence: Yes