QB - Inventors

Mercury thermometer

Gabriel Fahrenheit

Lightning rod

Benjamin Franklin

Safety razor

King Camp Gillette

Sleeping car

George Pullman

Cotton gin

Eli Whitney

Harvester/Reaper

Cyrus McCormick

Movable type for printing

Johannes Gutenberg

Steel plow

John Deere

Microscope

Antonie van Leeuwenhoek

X-rays

Wilhelm Conrad Roentgen

Antiseptic surgery

Joseph Lister

Battery

Alessandro Volta

Light bulb

Thomas Edison

Telescope

Galileo Galilei

Telegraph

Samuel Morse

Telephone

Alexander Graham Bell

Wireless telegraph

Guglielmo Marconi

Phonograph

Thomas Edison

Airplane

Wright brothers

Vulcanization of rubber

Charles Goodyear

Bifocals

Benjamin Franklin

Ferris wheel

George Washington Gale Ferris Jr.

Revolver

Samuel Colt

Machine gun

Richard Gatling

Liquid fuel rocket

Robert H. Goddard

Dynamite

Alfred Nobel

Hydrogen bomb

Edward Teller

Sewing machine

Elias Howe

Gas mask

Garrett Augustus Morgan

Traffic light

Garrett Augustus Morgan

Steam engine (improved)

James Watt

Electric motor

Michael Faraday

Alternating current (AC power)

Nikola Tesla

Diesel engine

Rudolf Diesel

Automobile (first practical)

Karl Benz

Assembly line manufacturing

Henry Ford

Ballpoint pen

László Bíró

Air conditioning

Willis Carrier

Elevator safety brake

Elisha Otis

Barbed wire

Joseph Glidden

Typewriter

Christopher Latham Sholes

Vaccination (smallpox)

Edward Jenner

Penicillin

Alexander Fleming

Anesthesia (ether)

William T. G. Morton

Electric generator / dynamo

Werner von Siemens

Analytical Engine / early computer

Charles Babbage

World Wide Web

Tim Berners-Lee

Jet engine

Frank Whittle

Helicopter

Igor Sikorsky

Submarine (modern)

John Philip Holland

Spinning jenny

James Hargreaves

Power loom

Edmund Cartwright

Bessemer process (steel)

Henry Bessemer

Can opener

Ezra Warner

Television

Philo Farnsworth

Coca-Cola

John Stith Pemberton

Pepsi

Caleb Bradham