Willis Haviland Carrier

Born: 1876
Birthplace: 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: 1950
Wallace Hume Carothers The National Inventors Hall of FameGeorge Carruthers

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