Category:Leonid A. Umansky

**Leonid A. Umansky**
	Russian engineer
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	Wikipedia
Date of birth	23 July 1890; Russia
Date of death	3 April 1957; Schenectady
Country of citizenship	Russian Empire; United States of America;
Educated at	Peter the Great Saint Petersburg State Polytechnical University;
Occupation	electrical engineer;
Employer	General Electric;
Award received	Edison Medal (1955);
Authority file
	Q6526327;
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