Which lab did one of the inventors of a type of rocket artillery first built and fielded by the Soviet Union in World War II work at?
Vladimir Artemyev:  He was one of the inventors of the Katyusha. Katyusha rocket launcher: The Katyusha multiple rocket launcher (Russian: Катю́ша ; ] ) is a type of rocket artillery first built and fielded by the Soviet Union in World War II.
i don't know