"Henry Lewy (May 31, 1926 \u2013 April 8, 2006), born Heinz Lewy, was a German-born American sound engineer and record producer, who was best known for his work on many critically acclaimed and successful rock and folk albums of the 1970s and 1980s, particularly those by Joni Mitchell, Neil Young, and Crosby, Stills and Nash."@en .