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K-K Gregory

Wristies®

A 1996 Gallup poll found that two thirds of American teenagers would like to found a company.  K-K Gregory, a nint

Irene Greif

Computer-Supported Cooperative Work (CSCW)

Computer scientist Irene Greif is one of a growing group of American women making important contributions in a typicall

Al Gross

The Walkie-Talkie

The nonpareil pioneer of wireless telecommunications is Al Gross.  In 1938, he invented the walkie-talkie.  I

Ben Gulak

The Uno

It’s no secret that automobiles have created plenty of problems around the world, not the least of which include air pollu

Robert Gundlach

Xerography

The everyday actions of any office worker undoubtedly involve making a photocopy.

Rudolf Gunnerman

Water-based Fuels

Rudolf Gunnerman of Reno, Nevada has invented a safe, inexpensive, environment-friendly fuel that could revolutionize t

Johann Gutenberg

Movable Type Printing Press

The printing press, invented by German goldsmith Johann Gutenberg in 1448, has been called one of the most important inven

Eduard Haas

Pez Dispenser & Candy

Eduard Haas’ name may be unfamiliar to most people, but the case couldn’t be more different when it comes to his 1927 inve

Charles Hall

Process for the Manufacture of Aluminum

Eight months after graduating from Oberlin College in 1885 with a bachelor's degree in chemistry, Charles Martin Hall (186

Lloyd Hall

Food Preservation Methods

Like his coeval Frederick Jones, Lloyd Augustus Hall played a major role in the American food industry.

Robert Hall

Semiconductor Injunction Laser

In 1962, Robert Hall created a revolutionary type of laser that is still used in many of the electronic appliances and

John Hammond

Radio-operated Remote Control Systems

John Hays Hammond was both a whimsical and practical inventor:  his interests ranged from music and cooking to ele

Jin-Ping Han

Capacitor-less Dynamic Random Access Memory (DRAM) Cell

As an Electrical Engineering PhD student at Yale University, one of Jin-Ping Han’s projects turned from a failure to

Ruth Handler


The Barbie Doll

In 1959, Ruth Handler invented something that became so quintessentially American as to be included in the official "Am

Joanna Hardin

CompuRest Keyboard Stand

Anyone who uses a computer regularly should know how important it is to pay attention to body and wrist position in ord