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William Painter

Crown Bottle Cap

Some inventions appear small at first glance, but often a closer look proves a simple device can have a revolutionary impa

Julio Palmaz

Balloon Expandable Stent

A common cause of heart attack and stroke is restricted blood flow caused by atherosclerosis, or clogged arteries.

Louis Pasteur

Pasteurization

Louis Pasteur was born on December 27, 1822 in Dole, a small town in eastern France.

Ryan Patterson

American Sign Language Translator/Glove

Sometimes it takes a young innovator’s fresh eyes and outsider’s perspective to come up with a unique solution to a lon

Les Paul

Solid-body Electric Guitar

One would be hard-pressed to find a guitar fan unfamiliar with the name Les Paul, who not only established himself as a

Lester Pelton

The Pelton Water Wheel

The California Gold Rush, which took place from 1848 through 1855, brought thousands of men and women from the eastern sta

Radia Perlman

Spanning Tree Protocol

During the 1970s scientists and programmers were working hard on assembling the networks and technology to enable what

Sydney Pestka

Reverse Phase High-Performance Liquid Chromatography (RP-HPLC)

Though his name may be unfamiliar to some, the remarkable achievements that scientist and inventor Dr.

Van Phillips

Flex-Foot Prosthetics

Van Phillips, inventor of the Flex-Foot brand of prosthetic feet and limbs, turned a tragic moment into a revolutionary

Gregory Pincus

Birth Control Pill

Gregory Goodwin Pincus was one of the creators of the first effective birth-control pill.

Olivia Poole

Jolly Jumper

Mothers and babies around the world enjoy the soothing, bouncing motion of an ingenious swing known as the Jolly Jumper, i