Louis Mesenkop ( February 6 , 1903 &ndash; February 19 , 1974 ) was an American sound engineer . He won two Academy Awards for Best Special Effects and was nominated for another in the same category . Mesenkop was part of the production team who received an Academy Honorary Award at the 11th Academy Awards for their efforts on the Paramount film '' Spawn of the North ''
11th Academy Awards
11th Academy Awards
Louis Mesenkop