American inventor who specialized in telecommunications and aircraft.

• First to patent the telephone

French scientist and pioneer cinematographer.

• With his brother Jean, invented a color photography process and a movie camera

German-American engineer.

• An authority on suspension bridges

American physicist and inventor.

• Invented the Polaroid camera

German aeronaut and aircraft designer.

• Designed and manufactured rigid airships

American inventor, industrialist and philanthropist.

• Invented the Kodak camera and a manufacturing process for flexible film.

American engineer and army officer.

• Chief engineer on the Panama Canal Commission, and later governor of the Canal Zone

German engineer, inventor, and manufacturer of Mercedes automobiles.

• Developed a high-speed combustion engine that was influential in the development of the automobile

British engineer.

• Patented the Bessemer process, a technique allowing the manufacture of steel in large quantities

Russian-born American admiral and engineer.

• Developed the USS Nautilus (launched 1954), the first nuclear-powered submarine

Scottish mechanical engineer. A unit of power was named in his honor.

• Invented the condensing steam engine

American inventor.

• Held over 300 patents, most dealing with sound and wireless transmission; called ''''the father of radio''''

French engineer and aviator.

• First to fly across the English Channel, making the trip in a plane he designed and built

Serbian-American engineer.

• Invented a number of electrical devices, many of which contributed to making alternating current practical

German engineer.

• Invented the Diesel engine

American inventor.

• Held more than 1,000 patents, for devices ranging from the microphone to the lightbulb

French chemist and industrialist.

• With his brother Auguste, invented a color photography process and a movie camera

Italian inventor and electrical engineer.

• A pioneer in the development of the wireless telegraph

American inventor.

• Invented the sewing machine

British scientist who led the team that invented the World Wide Web.

• Created the Hypertext Transfer Protocol and the first Web browser

Co-founder of Netscape Communications Corporation

• While still a college student, developed Mosaic, the first graphical Web browser

British aviator and aeronautical engineer.

• Designed the famous Sopwith Camel, which British dogfighters used to great effect during WWI

American electrical engineer who founded Cray Research.

• Considered the father of the supercomputer

Third-century B.C. Greek mathematician and inventor.

• Invented the Archimedes screw, a device for raising water

American admiral, mathematician and computing pioneer.

• Invented the first computer programming-language compiler in 1952; later invented the COBOL programming language

American mathematician.

• Invented the first computerized telephone switching device

German-born aeronautical engineer.

• First woman elected a Fellow of the American Institute of Aeronautics and Astronautics

American biologist and computer scientist.

• Known for her work on neuromorphic engineering -- the design of computer circuits that mimic neural networks

Chemist and inventor.

• Invented Kevlar, a fiber best known for its use in bullet-proof vests

American engineer and businesswoman.

• First female member of the American Society of Mechanical Engineers, 1918

Author of the first computer manual.

• Wrote Manual for the ENIAC in 1946