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J. Robert Oppenheimer, nuclear physicist (1904 - 1967) .

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J. Robert Oppenheimer, nuclear physicist (1904 - 1...

Prof Dr. Alfred Chapuis, Neuchâtel ca. 1950.

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Prof Dr. Alfred Chapuis, Neuchâtel ca. 1950.

J. Robert Oppenheimer, nuclear physicist (1904 - 1967) .

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J. Robert Oppenheimer, nuclear physicist (1904 - 1...

Prof Dr. Alfred Chapuis, Neuchâtel ca. 1950.

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Prof Dr. Alfred Chapuis, Neuchâtel ca. 1950.

Prof. Rene de Vallière, Zurich 1949

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Prof. Rene de Vallière, Zurich 1949

Dr. Erich Tilgenkamp, aviatics expert; Küsnacht 1958.

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Dr. Erich Tilgenkamp, aviatics expert; Küsnacht 19...

Professor Dr. Wolfgang Pauli

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Professor Dr. Wolfgang Pauli

Nobel laureate Prof. Dr. Leopold Ruzicka, Zurich 1942

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Nobel laureate Prof. Dr. Leopold Ruzicka, Zurich 1...

Friedrich Wilhelm Nietzsche, German philosopher (1844 - 1900)

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Friedrich Wilhelm Nietzsche, German philosopher (1...

Heinrich Ott 1962 .

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Heinrich Ott 1962 .

Prof. Paul Scherrer at the ETH, 1955

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Prof. Paul Scherrer at the ETH, 1955

Dr. Erich Tilgenkamp, aviatics expert; Küsnacht 1958.

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Dr. Erich Tilgenkamp, aviatics expert; Küsnacht 19...

Professor Dr. Friedrich Dessauer 1951

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Professor Dr. Friedrich Dessauer 1951

Clara Zollikofer 1956.

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Clara Zollikofer 1956.

August Schneider, engineer, 1953.

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August Schneider, engineer, 1953.

Adolf Osterwalder 1961.

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Adolf Osterwalder 1961.

Dr. Erich Tilgenkamp, aviatics expert. Küsnacht 1958

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Dr. Erich Tilgenkamp, aviatics expert. Küsnacht 19...

Hans Barth, foreign correspondent around 1946.

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Hans Barth, foreign correspondent around 1946.

Rene Clavel ca. 1956.

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Rene Clavel ca. 1956.

Dr. Erich Tilgenkamp, aviatics expert; Küsnacht 1958.

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Dr. Erich Tilgenkamp, aviatics expert; Küsnacht 19...

Prof. Dr. Otto Groeger, 1951

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Prof. Dr. Otto Groeger, 1951

Dr. Erich Tilgenkamp, aviatics expert. Küsnacht 1958

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Dr. Erich Tilgenkamp, aviatics expert. Küsnacht 19...

Paul Scherrer in the forties.

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Paul Scherrer in the forties.

Paul Scherrer in the forties.

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Paul Scherrer in the forties.

Professor Jean Trv©moliv©res, scientist and Professor M. Demole 1968 .

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Professor Jean Trv©moliv©res, scientist and Profes...

Prof. Paul Scherrer with assistants at the ETH, 1955

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Prof. Paul Scherrer with assistants at the ETH, 19...

Professor Dr. Wolfgang Pauli

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Professor Dr. Wolfgang Pauli

Alberto Camenzind with children playing Indian

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Alberto Camenzind with children playing Indian

Prof. Paul Scherrer at the ETH, 1955.

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Prof. Paul Scherrer at the ETH, 1955.

August Schneider, engineer, 1953 .

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August Schneider, engineer, 1953 .

Professor Jean Trv©moliv©res, scientist 1968 .

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Professor Jean Trv©moliv©res, scientist 1968 .

Professor Dr. Wolfgang Pauli

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Professor Dr. Wolfgang Pauli

Hans Barth, foreign correspondent around 1946

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Hans Barth, foreign correspondent around 1946

Limnologists Congress Zurich 1948: Prof. Dr. Franz Ruttner

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Limnologists Congress Zurich 1948: Prof. Dr. Franz...

Prof. Dr. phil. Konrad Escher, Zurich 1942

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Prof. Dr. phil. Konrad Escher, Zurich 1942

Thadeus Reichstein, chemist, 1950.

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Thadeus Reichstein, chemist, 1950.

Professor Maurice Erard 1948.

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Professor Maurice Erard 1948.

NASA Trial Windmill

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NASA Trial Windmill

The different kinds of people known to the Egyptians, depicted in the tomb of Menphtah I. The first

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The different kinds of people known to the Egyptia...

Figs. 1, 3, 4. Pharaonic titles expressed in symbolic figures, Fig. 2. Ramses XV at Thebes making

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Figs. 1, 3, 4. Pharaonic titles expressed in symbo...

The different kinds of men known to the Egyptians, represented in the tomb of Menphtah I. The first

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The different kinds of men known to the Egyptians,...

Fig. 12. Rameses VII. Fig. 13. Rameses IX. Fig. 14. Rameses X. Fig. 15. Amenemses. Fig. 16.

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Fig. 12. Rameses VII. Fig. 13. Rameses IX. Fig. 14...

Heads of some foreigners depicted in the preceding plates, in the same size or reduced to a third

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Heads of some foreigners depicted in the preceding...

Ferdinand Ritter von Hebra.

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Ferdinand Ritter von Hebra.

Alfonso X of Castile, called ""The Wise"" (1221-1284). King of Castile and Leon. Portrait. Detail.

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Alfonso X of Castile, called ""The Wise"" (1221-12...

Galileo Galilei (1564-1642)

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Galileo Galilei (1564-1642)

The first successful trial run of John Fitch's steamboat Perseverance on the Delaware River.

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The first successful trial run of John Fitch's ste...

Marc Seguin.

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Marc Seguin.

A portable steam engine built in France by the company M. Cail et Cie in the 19th century.

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A portable steam engine built in France by the com...

Joseph Black.

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Joseph Black.

The observatory in Peking.

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The observatory in Peking.

Apparatus for the decomposition of water.

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Apparatus for the decomposition of water.

The first trial of the Dalswinton steamboat at Dalswinton Loch, Scotland in 1788.

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The first trial of the Dalswinton steamboat at Dal...

A pisciculture factory at Concarneau, Finistere, Brittany, France in the 19th century.

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A pisciculture factory at Concarneau, Finistere, B...

James Watt in his Glasgow workshop.

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James Watt in his Glasgow workshop.

Denis Papin.

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Denis Papin.

Denis Papin demonstrates the principle of the combustion and explosion engine displacing a piston by heating a metal cylinder emptied of air, filled with gunpowder.

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Denis Papin demonstrates the principle of the comb...

The first demonstration on the river Saone in France of the early experimental steamship Pyroscaphe.

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The first demonstration on the river Saone in Fran...

Dr Ivan Pavlov operating on a dog in the Physiology Department.

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Dr Ivan Pavlov operating on a dog in the Physiolog...

James Watt and other members of The Lunar Society of Birmingham.

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James Watt and other members of The Lunar Society ...

The two steamships Great Western and Sirius entering the port of New York.

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The two steamships Great Western and Sirius enteri...

Robert William Boyle.

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Robert William Boyle.

A 19th century steam hammer or drop hammer.

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A 19th century steam hammer or drop hammer.

The launching of Claude de Jouffroy d'Abban's steamboat Charles-Philippe in 1816.

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The launching of Claude de Jouffroy d'Abban's stea...

Herman Boerhaave.

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Herman Boerhaave.

James Watt in his Glasgow workshop improving on Thomas Newcomen's 1712 Newcomen steam engine with his Watt steam engine in 1781.

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James Watt in his Glasgow workshop improving on Th...

Robert Fulton's The North River Steamboat of Claremont navigating from New York to Albany on the Hudson River.

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Robert Fulton's The North River Steamboat of Clare...

Boulton and Watt's steam engine factory at Soho, Handsworth, Birmingham.

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Boulton and Watt's steam engine factory at Soho, H...

Robert Fulton.

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Robert Fulton.

French steam powered transatlantic liner Pereire.

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French steam powered transatlantic liner Pereire.

Jean Albert Vincent Auguste Perdonnet.

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Jean Albert Vincent Auguste Perdonnet.

Marin Mersenne aka Marin Mersennus or le Pere Mersenne.

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Marin Mersenne aka Marin Mersennus or le Pere Mers...

William Gilbert in his study writing his book De Magnete, Magneticisque Corporibus, et de Magno Magnete Tellure.

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William Gilbert in his study writing his book De M...

Benjamin Franklin and his son William, performing their famous experiment.

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Benjamin Franklin and his son William, performing ...

The electrical machine of Christian August Hausen.

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The electrical machine of Christian August Hausen.

The Royal Institution Library.

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The Royal Institution Library.

Edward Somerset demonstrating his invention the "Water-commanding Engine".

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Edward Somerset demonstrating his invention the "W...

The Rainhill Trials.

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The Rainhill Trials.

Jacques de Romas.

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Jacques de Romas.

Frederic Sauvage.

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Frederic Sauvage.

The Magdeburg hemispheres.

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The Magdeburg hemispheres.

Henri Victor Regnault.

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Henri Victor Regnault.

A Royal Society Experiment.

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A Royal Society Experiment.

Nollet conducting a physics course at the college of Navarre in 1754.

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Nollet conducting a physics course at the college ...

Elias Allen.

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Elias Allen.

Charles Dallery.

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Charles Dallery.

The Magdeburg hemispheres.

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The Magdeburg hemispheres.

The French corvette The Sphinx.

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The French corvette The Sphinx.

Pierre Simons.

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Pierre Simons.

Lemonnier researching electrical speed.

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Lemonnier researching electrical speed.

Tycho Brahe.

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Tycho Brahe.

Hero demonstrating his aeolipile in front of the scholars of the school of Alexandria.

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Hero demonstrating his aeolipile in front of the s...

Paul Camille Denis.

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Paul Camille Denis.

Sir George Biddell Airy.

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Sir George Biddell Airy.

Louis Figuier.

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Louis Figuier.

The Solferino.

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The Solferino.

Georges-Louis Leclerc.

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Georges-Louis Leclerc.

Man operating a pulley with a lever and fulcrum.

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Man operating a pulley with a lever and fulcrum.

The railway from Paris to Brest crossing the Morlaix Viaduct, France.

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The railway from Paris to Brest crossing the Morla...

Louis-Guillaume Le Monnier aka Lemonnier.

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Louis-Guillaume Le Monnier aka Lemonnier.

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