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Graeme Clark

Cochlear Implant/Bionic Ear

Australian physician, scientist, and inventor Graeme Milbourne Clark changed the lives of tens of thousands of heari

Josephine Cochrane

Dishwashing Machine

Josephine Cochrane, inventor of the first commercially successful dishwashing machine, was born in Ashtabula County, Ohio

John Cocke

Reduced Instruction Set Computing (RISC)

In the early 1970s, John Cocke transformed computing by simplifying the set of instructions that tell computers which func

Christopher Cockerell


In 1955, British inventor and engineer Christopher Sydney Cockerell invented a swift water-transport vehicle that was n

Samuel Colt

Colt Revolver

Regardless of one’s views on the use of firearms by private citizens, it is important to kno

Peter Cooper


Peter Cooper is credited with the invention of one of the most uniquely American desserts of all ti

Harry Coover

Super Glue™

The incredibly stable adhesive known as Super Glue ™ was invented by accident in 1942 by Dr. Harry Coover.

Martha Coston

Pyrotechnic signaling system

Widowed at the age of 21, Martha Coston (1826-1904) of Philadelphia met the challenge of providing for her four c

George Crum

Potato Chip

The fine details surrounding the invention of one of the United States' favorite snack foods are somewhat hazy, but all si

Marie Curie

Radioactivity Theory

Poland-born Maria Sklodowska Curie is remembered as one of the world’s most brilliant scientists.

Leonard Cutler

Commercial Cesium Clock

Leonard Cutler was a pioneer in the field of ultraprecise timekeeping standards and devices for over forty years.