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Willis Haviland Carrier Born: 1876Birthplace: Angola, N.Y. Apparatus for treating air—Carrier developed the first safe, low pressure centrifugal refrigeration machine using non-toxic, nonflammable refrigerant. By controlling humidity as well as temperature, he invented modern air conditioning. (1985) Died: 1950Fact Monster/Information Please® Database, © 2007 Pearson Education, Inc. All rights reserved.
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