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Charles Martin Hall
Charles Martin Hall discovered the electrolytic method of producing aluminum cheaply, bringing the metal into wide commercial use.
http: //invent.org/book/book-text/51.html -
Charles P. Ginsburg
Developed the first practical videotape recorder .
http: //invent.org/book/book-text/45.html -
Charles Proteus Steinmetz
Developed of theories of alternating current.
http: //invent.org/book/book-text/99.html -
Charles Stark Draper
He developed gyroscope systems that stabilized and balanced gunsights and bombsights.
http: //invent.org/book/book-text/34.html -
Chester F. Carlson
Physicist Chester F. Carlson, the father of xerographic printing.
http: //invent.org/book/book-text/20.html -
Cyrus Hall McCormick
Cyrus Hall McCormick invented the mechanical reaper.
http: //invent.org/book/book-text/73.html -
ENIAC the Invention of the Computer
ENIAC, the Electrical Numerical Integrator and Computer, was not the first computer developed, but it opened the door for everything that would follow
http: //inventorsmuseum.com/eniac.htm