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Carl Von Steinheil, German physicist

Carl Von Steinheil, German physicist

Georges-Louis Le Sage, Swiss physicist

Louis Breguet, French physicist

Louis Breguet

Werner Siemens, German electrical engineer

Werner Siemens, German electrical engineer

Werner Siemens, German electrical engineer

Galileo Galilei, Italian astronomer, 19th C illustration

John Couch Adams, British astronomer

Lord Kelvin, British physicist

Lord Kelvin, British physicist

Lord Kelvin, British physicist

Gustav Froment, French electrical engineer

Gustav Froment, French electrical engineer

Isaac Newton, English physicist

Giovanni Caselli, Italian physicist

Moritz Hermann von Jacobi, German physicist

Moritz Hermann von Jacobi, German physicist

Isaac Newton, English physicist

Franz Achard, German chemist

Otto von Guericke, German physicist, 19th C illustration

Blaise Pascal, French mathematician

Sir Isaac Newton, British physicist

Christiaan Huygens, caricature

Christiaan Huygens, caricature

Theodose Du Moncel, French physicist

Carl von Steinheil, German physicist

Denis Papin, French physicist, artwork

Isaac Barrow, English mathematician

Olinthus Gregory, English mathematician

John Tyndall, Irish physicist

Newton's house, 35 St Martin's Street

Early electric telegraph receiver, 19th Century illustration

Early telegraph printing receiver, 19th C illustration

Isaac Newton, English physicist

Galileo Galile, Italian astronomer

Archimedes, caricature

Pieter van Musschenbroek, Dutch scientist

Anatomy of the eye, Alhazen's Book of Optics

Cromwell Varley, English engineer

Cromwell Varley, English engineer

Alessandro Volta, Italian physicist

Alessandro Volta, Italian physicist

Alessandro Volta, Italian physicist

Alexander Graham Bell, Scottish-American inventor

Pierre Laplace, French mathematician

Issac Newton and the apple, artwork

Luis Alvarez, American physicist

Newton's observatory, St Martin's Street

Francois Arago, French physicist

Jean-Daniel Colladon, Swiss physicist

Leonhard Euler, Swiss mathematician

Louis Breguet, French physicist

Jean-Baptiste Biot, French polymath

Leonard Euler, caricature

Giovanni Caselli, Italian physicist

Gauss and Weber, telegraph inventors

Martin Ryle, British astronomer

Lord Kelvin, caricature

Georges-Louis Le Sage, Swiss physicist

Samuel Canning, English telegraph engineer

Samuel Canning, English telegraph engineer

Arthur Cayley, caricature

Charles Babbage, caricature

Carl Ritter, German geographer

Carl Ritter, German geographer

Evangelista Torricelli, Italian physicist

Early electric telegraph machine, 19th Century illustration

Jules Janssen, French astronomer

Wilhelm Roentgen, German physicist

James Watt, caricature

Isaac Newton, English physicist

Isaac Newton, English physicist

Isaac Newton, English physicist

Leon Foucault, French physicist

Christopher Clavius, German astronomer

Marie Curie, Polish-French physicist

Moritz von Jacobi, German physicist

Pavel Yablochkov, Russian

Benjamin Thompson, US physicist, 19th Century illustration

John Tyndall, Irish physicist

Jules Jamin, French physicist

Girolamo Fracastoro, Italian physicist

Francois Arago, French astronomer

Marie and Pierre Curie, physicists

William Shockley, US physicist

Max Born, German physicist

Georges-Auguste Leschot, French watchmaker

Philippe Lebon, French engineer

Albert Einstein, German physicist

Tim Berners-Lee, British computer scientist

Gottfried Leibniz, German mathematician

Alfred North Whitehead, British mathematician

Roger Joseph Boscovich, astronomer

Pierre de Fermat, caricature

Rene Descartes, French mathematician

Watt's steam engine, historical artwork

Charles Wheatstone, British physicist

Francois van Rysselberghe, Belgian engineer

Pierre Gassendi, French mathematician

Denis Papin, French physicist

Georg Riemann, German mathematician

Evariste Galois, French mathematician

Persi Diaconis, US mathematician

Ernst Kummer, caricature

Henri Poincare, caricature

Karl Friedrich Gauss, caricature

Joseph Lagrange, caricature

Vatican Observatory, 19th Century illustration

Herschel's 40 foot telescope, 19th Century illustration

Johan De Witt, Dutch statesman and mathematician

Thomas Edison, US inventor, artwork

Le Sage pioneering telegraphy, 1774

Marcel Deprez, French electrical engineer

Johann Philipp Reis, German inventor

Edward Whitehouse, telegraph engineer

Edward Whitehouse, telegraph engineer

Zenobe Gramme

Hermann von Helmholtz, German physicist

Jules-Auguste Beclard, French physician

Gaspare Aselli, Italian surgeon

Gaspare Aselli, Italian surgeon, illustration

Philipp Lenard, German physicist

Leon Foucault, French physicist

Luigi Palmieri, Italian physicist

Johann Ritter, German physicist

Christian Doppler, caricature

Bell and Gray using their telephones, 19th century

Pierre-Simon Laplace, French astronomer

Pierre Laplace, French mathematician

Albert Michelson, US physicist

Hughes' carbon microphone, 19th century

Galileo Galilei, Italian astronomer

Galileo Galilei, Italian astronomer

Adrian Metius, Dutch astronomer, 19th century illustration

John Napier, Scottish mathematician

Charles Wheatstone, British physicist

Sophie Germain, French mathematician

Nikola Tesla, Serb-US physicist, illustration

Jacques Charles, French balloonist

Jacques Charles, French balloonist

William Crookes, British physicist

Newton's cradle with his 'Principia', illustration

Martin Rees, British astrophysicist

Andre-Marie Ampere, French physicist

Murray Gell-Mann, US physicist

Georges-Louis Le Sage, Swiss physicist

Georges-Louis Le Sage, Swiss physicist

19th Century parallactic telescope, illustration

Hans Christian Oersted, Danish physicist

Christiaan Huygens, Dutch astronomer

Guillaume Carcel, french inventor

Galileo Galilei, Italian astronomer

Immanuel Kant, German philosopher

Milton visiting Galileo, illustration

Immanuel Kant, German philosopher

Early electric engine, 19th Century illustration

18th Century astronomer, artwork

Etienne Lenoir, French engineer

Etienne Lenoir, French engineer

George Saward, British engineer

John Watkins Brett, English telegraph engineer

George Saward, British engineer

John Watkins Brett, English telegraph engineer

Tiberius Cavallo, Italian physicist

Alessandro Volta, Italian physicist

Tycho Brahe's triangular sextant, illustration

Newton's telescope, historical artwork

Charles Sanders Peirce, US philosopher

Nikola Tesla, caricature

Kurt Godel, caricature

John Dalton and Gerrit Moll, illustration

Zenobe Gramme, Belgian engineer

19th Century teleprinter, illustration

Charles de Changy, French engineer

Blaise Pascal, French mathematician

Compound microscope, 17th Century artwork

Franklin designing lightning rods, 1750

17th Century rooftop observatories

Giovanni Borelli, Italian mathematician

Death of Hypatia, Ancient Greek philosopher, illustration

Death of Hypatia, illustration

18th Century camera obscura, artwork

19th C Egyptian hydraulic factory, illustration

George Elkington, British industrialist

Jean-Baptiste Lamarck, French naturalist

Jean-Baptiste Boussingault

Ronald Fisher, British statistician and geneticist

Nicolaus Petri van Deventer, mathematician and astronomer

Nicolaus Petri van Deventer, mathematician and astronomer

Charles Marie de La Condamine, French geographer

Johannes Kepler, German astronomer

Johannes Kepler, German astronomer

Gauss and Weber, telegraph inventors

Hermann von Helmholtz, German physicist

Heinrich Dove, Prussian physicist

Heinrich Hertz, German physicist

Wilhelm Foerster, German astronomer

Bullet-detecting invention, 1881