Question: John Crout was visited by which physicist to obtain support about xerography?
Sentence (from "John Crout"): John Shaw Crout (July 5, 1899 - October 31, 1987) was the Director of Engineering at Battelle Memorial Institute when, in 1944, Battelle was visited by Chester Carlson, in order to obtain support for his idea about a xerographic process.
Relevant evidence: Yes