Vasiliy Grabin
Vasiliy Gavrilovich Grabin was a Soviet artillery designer. He led a design bureau at Joseph Stalin Factory No. 92 in Gorky.
Grabin was chief designer of ZiS-3, the divisional field gun, which was the most numerous cannon of World War II.
Grabin was the first who used ergonomics in cannon construction. In the 1930s he used physiologist consultation to optimize the design of cannons.
