Aspirin…………………………Felix Hoffman……………………….1899

Battery…………………………Alexander Volta……………………..1799

Cereal………………………….John Will Kellogg……………………1894

Coca Cola……………………..John Pemberton…………………….1886

Computer (principles of)………Charles Babbage………………1834

Dynamite………………………Alfred Nobel………………………….1866

Fahrenheit Temperature Scale…Gabriel Fahrenheit………..1720

Flush Toilet……………………Sir John Harrington………………1589

Graphite Pencil………………..Conrad Gesner…………………….1565

Laser……………………………Charles Townes……………………..1958

Lawnmower……………………Edwin Beard Budding………….1830

Potato Chip…………………….George Crum………………………1853

Radio…………………………..Marconi………………………………..1895

Razor (shaving)………………..King Gillette………………………1901

Sandwiches……………………The Earl of Sandwich……………1762

Video Games…………………..Noland Bushnell…………………1972

Zipper………………………….Whitcomb Judson………………….1891

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