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: Vladimir Andreyevich Artemyev (Russian: Владимир Андреевич Артемьев ) (July 6 [O.S. June 24] 1885 in Saint Petersburg - September 11, 1962 in Moscow) was a Soviet Russian rocket scientist at the Gas Dynamics Laboratory. 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.
Gas Dynamics Laboratory