Leonid Ramzin
Engineer and inventor
Leonid Konstantinovich Ramzin was a Soviet thermal engineer, and the inventor of a type of flow-through boiler known as the straight-flow boiler, or Ramzin boiler. He was a laureate of the Stalin Prize First-Class, which he received in 1943. Wikipedia
Born: October 26, 1887, Sosnovka, Russia
Died: June 28, 1948 (age 60 years), Moscow, Russia
Awards: USSR State Prize, Order of Lenin, and Order of the Red Banner of Labour