Werner Siemens, German electrical engineer
Carl Von Steinheil, German physicist
Louis Breguet, French physicist
Louis Breguet
Georges-Louis Le Sage, Swiss physicist
Lord Kelvin, British physicist
Giovanni Caselli, Italian physicist
Samuel Canning, English telegraph engineer
Theodose Du Moncel, French physicist
Gustav Froment, French electrical engineer
Edward Whitehouse, telegraph engineer
Felix Wankel, German engineer
John Watkins Brett, English telegraph engineer
Werner Siemens, german inventor
Moritz von Jacobi, German physicist
Tim Berners-Lee, British computer scientist
Rudolph Diesel, German mechanical engineer
Elisha Gray, American electrical engineer
Franz Achard, German chemist
William Fairbairn, Scottish engineer
Galileo Galile, Italian astronomer
Otto von Guericke, German physicist, 19th C illustration
Cromwell Varley, English engineer
Gottlieb Daimler, German industrialist
Moritz Hermann von Jacobi, German physicist
Underwater telegraph cable construction, 19th C illustration
Early electric telegraph receiver, 19th Century illustration
Early telegraph printing receiver, 19th C illustration
Germain Sommeiller, French engineer
Severino Grattoni, Italian engineer
Johannes Gutenberg, German printer
Andre-Marie Ampere, French physicist
Karl Benz, German engineer
Zenobe Gramme, Belgian engineer
Samuel Morse, US inventor
Cornelius Herz, French physician
Wilhelm Engerth, Austrian engineer
Henry Bessemer, British metallurgist
Caroline Herschel, German astronomer
Johann Ritter, German physicist
Montgolfier brothers, French balloonists
Paul Camille Denis, German engineer
Josiah Latimer Clark, English electrical engineer
Ernst von Siemens, German engineer
Antoine Henri Becquerel, French physicist
Phonograph inventors, 19th century
Early electric telegraph machine, 19th Century illustration
Alexander Graham Bell, Scottish-American inventor
Marcel Deprez, French electrical engineer
Galileo Galilei, Italian astronomer, 19th C illustration
Eugene Godard, French aeronaut
Le Sage pioneering telegraphy, 1774
Jean Pierre Flourens, French physiologist
Luigi Galvani, Italian physician
Galileo Galilei, Italian astronomer
Alvaro Reynoso Valdes, Cuban scientist
Hippocrates, Ancient Greek physician
Charles Sanders Peirce, US philosopher
Watt's steam engine, historical artwork
Pierre Simons, belgian engineer
Robert Stephenson, British engineer
Eugene Flachat, French civil engineer
Philippe Lebon, French engineer
Jacques Montgolfier, French air balloon inventor
Charles and Roberts' hydrogen balloon, 1783
Karl Etzel, German railway engineer
Martin Ryle, British astronomer
Joseph Black, Scottish chemist
George Saward, British engineer
Milton visiting Galileo, illustration
Francois van Rysselberghe, Belgian engineer
Robert Watson-Watt, British physicist
Magneto-electric machine, 19th century illustration
Etienne Lenoir, French engineer
Wilhelm Roentgen, German physicist
Johann Philipp Reis, German inventor
Thomas Edison, US inventor, artwork
19th Century French army telegraph, illustration
Pavel Yablochkov, Russian
Charles de Changy, French engineer
Zenobe Gramme
Svante Arrhenius, Swedish chemist
Howard Florey, Australian pathologist
Jean-Martin Charcot, French neurologist
Faraday and Daniell, British chemists and physicists
Michael Faraday, British scientist
Single cylinder of a gasoline engine, illustration
Six cylinder engine, illustration
Twelve cylinder engine, illustration
Types of bombs, illustration
Nollet's electrostatic generator, 18th century
Carl Rogers, US psychologist
Roger Bacon, English philosopher
Euclid, Ancient Greek mathematician
Michel de Montaigne, French philosopher
Motoo Kimura, Japanese biologist
Konstantin Tsiolkovsky, rocket scientist
George Stephenson, British engineer
Heinrich Hertz, German physicist
Hughes' carbon microphone, 19th century
Pilatre de Rozier, French balloonist
Francois Laurent, French aeronaut
Hermann von Helmholtz, German physicist
First Morse telegraph, 1837
Georges-Auguste Leschot, French watchmaker
Ernst Chladni, German physicist
Nikola Tesla, Serb-US physicist, illustration
Loudspeaker soundwave, illustration
Blaise Pascal, French mathematician
Jacques Charles, French balloonist
Enrico Fermi, Italian physicist
Early electric engine, 19th Century illustration
Galileo receiving Milton, illustration
Gaetano Bonelli, Italian inventor
Robert Fulton, US engineer
Guillaume Carcel, french inventor
Archimedes, caricature
19th Century teleprinter, illustration
Louis Daguerre, French inventor, illustration
Franklin designing lightning rods, 1750
Gaspard-Felix Tournachon, French photographer
Leonhard Euler, Swiss mathematician
Bell and Gray using their telephones, 19th century
Alfred North Whitehead, British mathematician
19th C Egyptian hydraulic factory, illustration
Vatican Observatory, 19th Century illustration
Herschel's 40 foot telescope, 19th Century illustration
Aime Thome de Gamond, French engineer
Philipp Lenard, German physicist
18th Century camera obscura, artwork
Richard Trevithick, British engineer
Compound microscope, 17th Century artwork
19th Century steam car, illustration
Henri Giffard, French engineer
Aeroplane blueprints, illustration
Leon Foucault, French physicist
Marie Curie, Polish-French physicist
Benjamin Thompson, US physicist, 19th Century illustration
Making nitroglycerine, 19th Century illustration
Christian Doppler, caricature
Otto Hahn, German chemist
Robert Koch, German bacteriologist
Friedrich Wohler, German chemist
Michel Chevreul, French chemist
Siemens dynamo, 1900s
Pierre-Paul Riquet, French engineer
Salomon de Caus, French engineer
Oliver Cromwell, English politician
Giuseppe Mazzini, italian politician
Prosthetic hand by surgeon Ambroise Pare, illustration
Prosthetic legs by surgeon Ambroise Pare, illustration
George Stephenson
Cockcrofta Walton generator, artwork
Christiaan Huygens, caricature
AC generator, illustration
Heinrich Dove, Prussian physicist
Hans Christian Oersted, Danish physicist
Ernest Rutherford, caricature