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Chuck Hoberman

Unfolding structures

Chuck Hoberman is all at once an inventor, artist, engineer, and architect, whose expandable, collapsible structures ar

Marcian Hoff

The Microprocessor

Before the invention of the microprocessor, computers used to take up acre-sized rooms.

Felix Hoffman

Aspirin

No doctor’s office or medicine cabinet is complete without a supply of aspirin, the world’s most popular and, in many w

Krisztina Holly

Visual Voice(TM) telephony software

Krisztina Holly is an inventor and entrepreneur with roots at the Massachusetts Institute of Technology (MIT).  He

Nick Holonyak

First Visible LED (light emitting diode)

Inventor and engineer Nick Holonyak revolutionized the lighting industry with his development of the first visib

Virginia Holsinger

Enzyme Treatment for Lactose Intolerance

Delicious and satisfying, milk and milk products contain a variety of important nutrients such as calcium and riboflavin,

Leroy Hood

DNA Sequencer

Scientist and inventor Leroy Hood grew up in Montana.

Erna Hoover

Computerized Telephone Switching System

One of the most well-rounded American inventors since World War II is Erna Schneider Hoover.

Francis Hopkinson

The United States Flag

When the United States of America was born on July 4, 1776, it did not have an official national flag.

Grace Hopper

The Compiler

The achievements of Admiral Grace Murray Hopper, which include, most notably, the invention of the compiler, cemented h

Larry Hornbeck

Digital Micromirror Device

Larry Hornbeck spent nearly two decades developing a revolutionary technology that has, in recent years, begun to offer

Kristin Hrabar

Illuminated Nut Driver

When Kristin Ann Hrabar was just nine years old, she had a simple idea for a device that solved a common problem.

Brian Hubert

“Pick-and-place” Nano-Assembly Machine

Brian Hubert says he never goes to sleep without a pen and notebook by his nightstand so that he can record ideas for new

Walter Hunt

Safety Pin

Mechanic and independent inventor Walter Hunt secured a place in American history when he invented the useful, everyday