Question: SN 1939C was a supernova in the Fireworks Galaxy first discovered on 17 July 1939, by which Swiss astronomer, who worked most of his life at the California Institute of Technology?
Sentence (from "SN 1939C"): SN 1939C was a supernova in the Fireworks Galaxy first discovered by Fritz Zwicky on 17 July 1939.
Relevant evidence: Yes