Showing 26 - 50 of 167 results

George Westinghouse, Jr.
Air Brake System
George Westinghouse, Jr. invented a system of air brakes that made travel by train safe and built one of the greatest electric manufacturing…

Walther H. Nernst
Metallic Filament Incandescent Lamp
Walther Nernst developed a new form of electric lighting, the Nernst lamp, that was a significant improvement over the carbon-filament lamp. In…

Les Paul
Solid-Body Electric Guitar
Les Paul introduced the world to the solid-body electric guitar, a pioneering instrument that transformed popular music.
Born in Waukesha, Wisconsin…

Peter Cooper Hewitt
Mercury-Vapor Lamp
Peter Cooper Hewitt patented the mercury vapor lamp which was widely used for street and outdoor lighting. A graduate of Columbia University, he was…

Mark Dean
Peripherals
Mark Dean and his co-inventor Dennis Moeller created a microcomputer system with bus control means for peripheral processing devices. Their invention…

James Murray Spangler
Portable Electric Vacuum Cleaner
James Spangler invented the first commercially successful portable electric vacuum cleaner, an invention that revolutionized household carpet…

Joshua Lionel Cowen
Toy Train
Joshua Lionel Cowen invented model railroads in the early 20th century.
Born in New York City, Cowen attended the Cooper Union and Columbia College…

Oliver Joseph Lodge
Electric Telegraphy
Physicist Oliver Lodge made several important technological contributions, most notably his advancement of wireless telegraphy.
Lodge's invention of…

Charles Franklin Kettering
Electrical Ignition System
Charles Franklin Kettering invented the first electrical ignition system and the self-starter for automobile engines and the first practical engine-…

William D. Coolidge
X-Ray
William D. Coolidge's name is inseparably linked with the X-ray tube -- popularly called the "Coolidge tube." This invention completely…

Georges Claude
Neon Tubing
French industrial chemist Georges Claude invented neon tubing.
Born in Paris, France, he studied at Ecole de Physique et Chinie before graduating in…

Calvin Fuller
Silicon Solar Cell
Chemist Calvin Fuller co-invented the silicon solar cell with physicists Daryl Chapin and Gerald Pearson. Building on Albert Einstein's theories…

Warren S. Johnson
Temperature Control
Warren Johnson was born in 1847 in Leicester, Vermont, to homesteading farmers. Two years later, the family moved to Wisconsin, where the largely…

Daryl Chapin
Silicon Solar Cell
Daryl Chapin, with Bell Labs colleagues Calvin Fuller and Gerald Pearson, invented the first practical device for converting sunlight into useful…

Amar Bose
Feedback Control
Amar Bose was a pioneer in modern acoustics. Both an electrical engineer and a sound engineer, he advanced the electronics industry with…

Steven Sasson
Digital Camera
Steve Sasson invented the digital camera, changing the future of photography and transforming an industry.Growing up in Brooklyn, New York, Sasson…

Esther Sans Takeuchi
Lithium/Silver Vanadium Oxide (Li/SVO) Battery Technology in Implantable Cardioverter Defibrillators (ICDs)
Energy storage expert Esther Sans Takeuchi led efforts to invent and refine the lithium/silver vanadium oxide (Li/SVO) battery technology used to…

Stanford R. Ovshinsky
Nickel-Metal Hydride Battery
Stanford Ovshinsky was a prolific, self-taught inventor and physicist whose pioneering work in multiple fields had an impact on many aspects of…

Nikola Tesla
Electro-Magnetic Motor
Nikola Tesla invented the induction motor with rotating magnetic field that made unit drives for machines feasible and made AC power transmission an…

Willem Einthoven
Electrocardiograph
Willem Einthoven designed the first instrument that accurately recorded the electrical activity of the heart and produced the first reliable…

Charles G. Page
High-Voltage Induction Coil
Charles Grafton Page invented the first high-voltage induction coil in 1836. The high-voltage induction coil became an important tool of scientific…

Robert H. Dennard
Dynamic Random Access Memory (DRAM)
Robert Heath Dennard invented one-transistor Dynamic Random Access Memory (DRAM), which significantly increased computer memory density while…

Thomas A. Watson
Improvements to the Telephone
Thomas Watson is best known for working as Alexander Graham Bell's assistant during the development of the telephone. It was Watson who heard the…

Ernst F. W. Alexanderson
High-Frequency Alternator
Ernst Alexanderson was the General Electric Company engineer whose high-frequency alternator gave America its start in the field of radio…

Edwin Howard Armstrong
FM Radio
The inventions of engineer Edwin Howard Armstrong were so important that to this day every radio or television set makes use of one or more of his…