Monday, October 26, 2015

Trailblazers in Black History: David Nelson Crosthwait Jr.

Engineer, Journalist, Inventor (1898–1976)

David Nelson Crosthwait Jr., an African-American pioneer in the field of heating and air conditioning, is best known for heating up Radio City Music Hall.

Click here for details about his numerous achievements and life.

Source: Biography.com 

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