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African-American Contributions to Science

Frederick McKinley Jones: Portable Fridge

In 1935, Frederick McKinley Jones (1893-1961) designed a portable air-cooling unit for trucks carrying perishable food, making it possible to ship perishables long distances at any time of the year. The unit was used on trains, ships, and aircrafts.

Jones, in addition to being the first African-American inducted into the American Society of Refrigeration Engineers, was awarded the National Medal of Technology for his efforts and is an inductee of the National Inventors Hall of Fame. (Photo: Miller, Hulton Archive/Getty Images)

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