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David Levy

The World's Smallest Keyboard

David Levy of Manhattan Beach, California, received his doctoral degree in Mechanical Engineering at MIT in 1997 and has b

Gilbert Lewis

"Heavy Water"

Gilbert Newton Lewis, one of the most influential and admired scientists of the twentieth century, was a pioneer in bot

Otto Lilienthal

Advances in Heavier-Than-Air-Flight

Aviation pioneer Otto Lilienthal designed and built several novel, unpowered gliders with which he was able to demonstrate

Maya Lin

Tha National Vietnam Veterans Memorial

The most visited public American artwork of the 20th century is the National Vietnam Veterans Memorial, designed by May

Abraham Lincoln

“Buoying Device”

The 16th President of the United States, Abraham Lincoln, is known for many accomplishments, not the least of which is

Ada Lovelace

Computer Algorithm

Ada Lovelace, an English mathematician and writer, is often referred to as “the first programmer” because she helped revol

Jeannie Low

The Kiddie Stool

Jeanie Low of Houston, Texas created her best known invention, the Kiddie Stool, while she was still in kindergarten.

Timothy Lu

Bacteriophage

Bacterial infections affect hundreds of thousands of people in the United States every year, and in some cases, they are s

Lee Lynd

Biofuel Advances

Biologist, inventor, and engineer Lee Rybeck Lynd has devoted his career to developing processes for improving the feas

Akhil Madhani

Teleoperated surgical instruments

Akhil Madhani invented robotic instruments for use in fields as diverse as surgery and space exploration when he was a