Margaret Knight: Inventor of The Flat-bottomed Paper Bag Machine
Margaret Knight: Inventor of the flat-bottomed paper bag machine (1838-1914) Margaret Knight was fascinated by machinery; she eventually...
Stephanie Kwolek: Inventor of Kevlar
Stephanie Kwolek: Inventor of Kevlar Sometimes when a scientist makes a discovery, its nature and usefulness are not immediately clear. T...
Albert Calmette: Inventor of The Tuberculosis Vaccine
Albert Calmette was born in Nice, France, on July 12, 1863. He had two brothers, one of whom became an army physician, and the other, a jo...
Martin Cooper: Developer of The Cell Phone
Martin Cooper: Developer of The Cell Phone The telephone and radio were two of the greatest inventions of the late 19th century. During ...