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Bette Nesmith Graham

Bette Nesmith Graham Bette Nesmith Graham ended up inventing one of the mostly widely used office products of the 20th century. Typewriters came into widespread use after World War II. Although typing was a lot easier, It was nearly impossible to correct mistakes on...

Granville T Woods

Granville T. Woods  Woods was an inventor who held more than 60 patents in the U.S. He was self-taught, he concentrated most of his work on trains and streetcars. One of his notable inventions was a device he called the Synchronous Multiplex Railway Telegraph, a...

Frank Crossley

Frank Crossley Dr. Frank Crossley is a pioneer in the field of titanium metallurgy. He began his work in metals at Illinois Institute of Technology in Chicago after receiving his graduate degrees in metallurgical engineering. In the 1950s, few African Americans were...