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UMG26A33_495

Ideal geological profile illustrating the various ...

Various crystal forms from the mineral kingdom, basic geometric shapes such as cubes, hexahedra and

UMG26A33_498

Various crystal forms from the mineral kingdom, ba...

Historical illustration showing four of the most common crystal forms in mineralogy: clinorhomboid,

UMG26A33_499

Historical illustration showing four of the most c...

Mineralogy, various crystal forms and their intergrowths, pyramidal hexahedron, cross crystal,

UMG26A33_500

Mineralogy, various crystal forms and their interg...

Depiction of the Earths crusts layered structure, illustrating the different rock strata and

UMG26A34_033

Depiction of the Earths crusts layered structure, ...

Boy with Dog

UMG26A38_444

Boy with Dog

Dog

UMG26A38_489

Dog

White Mule by the Sea

UMG26A38_454

White Mule by the Sea

Portrait of Fanny Persiani-Tacchinardi as Amina in Vincenzo Bellini's opera La Sonnambula

UMG26A36_194

Portrait of Fanny Persiani-Tacchinardi as Amina in...

Merchant.

UMG26A26_427

Merchant.

Children's armor.

UMG26A28_173

Children's armor.

Children's armor.

UMG26A28_171

Children's armor.

Merchant's wife.

UMG26A26_428

Merchant's wife.

Children's armor.

UMG26A28_022

Children's armor.

Charles Darwin

UMG26A28_384

Charles Darwin

Charles Darwin

UMG26A28_385

Charles Darwin

Tavern Keeper

UMG26A25_150

Tavern Keeper

Electrical experiment

UMG26A25_120

Electrical experiment

Pneumatic experiment

UMG26A25_112

Pneumatic experiment

Merchant in a fur coat

UMG26A25_148

Merchant in a fur coat

Bicentenary of the nature research society, Zurich 1946

UMG26A13_208

Bicentenary of the nature research society, Zurich...

Prof. Trumpy is brought to the aircraft on a dinosaur's back, Zurich-Kloten 1963

UMG26A13_035

Prof. Trumpy is brought to the aircraft on a dinos...

Thadeus Reichstein, chemist, 1969

UMG26A13_120

Thadeus Reichstein, chemist, 1969

Paris, France. Academy session in the Jardin du Roi (Jardin des plantes). It was created in 1626.

UMG26A11_357

Paris, France. Academy session in the Jardin du Ro...

Paris, France. King Louis XIV (1638–1715) and his entourage visiting the French Royal Academy of

UMG26A11_354

Paris, France. King Louis XIV (1638–1715) and his ...

Wilhelm von Braumvºller

UMG26A06_229

Wilhelm von Braumvºller

Jungfraujoch and Jungfrau observatory; 1960.

UMG25A39_211

Jungfraujoch and Jungfrau observatory; 1960.

Air-hygenist Roberto Mona, 1986.

UMG25A39_265

Air-hygenist Roberto Mona, 1986.

Robert Oppenheimer and Ed McMillan in CERN 1960.

UMG25A41_263

Robert Oppenheimer and Ed McMillan in CERN 1960.

Felix Bloch at laying of the foundation stone of CERN in Meyrin 1955.

UMG25A37_479

Felix Bloch at laying of the foundation stone of C...

Professor CJ. Bakker at the official opening of CERN 1960.

UMG25A41_290

Professor CJ. Bakker at the official opening of CE...

Manzanillo, Cuba. The Spanish scientific commission observing the passage of Venus through the

UMG25A35_065

Manzanillo, Cuba. The Spanish scientific commissio...

Galileo Galilei (1564-1642). Italian astronomer, mathematician and physicist. Galileo demonstrating

UMG25A35_167

Galileo Galilei (1564-1642). Italian astronomer, m...

Galileo Galilei (1564-1642). Italian astronomer, mathematician and physicist. ""E pur si Muove""

UMG25A35_158

Galileo Galilei (1564-1642). Italian astronomer, m...

Air-hygenist Roberto Mona, 1986.

UMG25A27_210

Air-hygenist Roberto Mona, 1986.

Jungfraujoch and Jungfrau observatory; 1960.

UMG25A27_108

Jungfraujoch and Jungfrau observatory; 1960.

ETH Zurich: Machine Laboratory, 1955

UMG25A23_162

ETH Zurich: Machine Laboratory, 1955

Ed McMillan at the official opening of CERN 1960.

UMG25A29_234

Ed McMillan at the official opening of CERN 1960.

ETH Zurich: Laboratory, Process Engineering, Technical Chemistry, 1955

UMG25A25_020

ETH Zurich: Laboratory, Process Engineering, Techn...

Count Schulenburg and prince Schwarzenberg 1992.

UMG25A07_419

Count Schulenburg and prince Schwarzenberg 1992.

Writer Emil Zopfi with inventor Konrad Zuse's computer Z-23, 1988

UMG25A14_442

Writer Emil Zopfi with inventor Konrad Zuse's comp...

CERN aerial view 1962.

UMG25A09_202

CERN aerial view 1962.

ETH Zurich, laboratory, Institute for Chemistry, 1955.

UMG25A09_267

ETH Zurich, laboratory, Institute for Chemistry, 1...

Air hygienist Roberto Mona, 1986

UMG25A16_475

Air hygienist Roberto Mona, 1986

Konrad Zuse, inventor 1988.

UMG25A08_092

Konrad Zuse, inventor 1988.

ST. Peter's Island, Jean-Jacques Rousseau memorial; 1955

UMG25A14_326

ST. Peter's Island, Jean-Jacques Rousseau memorial...

High tech boat Atlantic Challenger 1988.

UMG25A09_078

High tech boat Atlantic Challenger 1988.

Official opening of CERN: visitors at the linear accelerator 1960

UMG25A12_487

Official opening of CERN: visitors at the linear a...

Francis Bacon (died 1626), 1st Viscount St Alban, also known as Lord Verulam, was an English

UMG25A06_021

Francis Bacon (died 1626), 1st Viscount St Alban, ...

This illustration of Lord Bacon (1561-1626) dates to the early 1920s. Bacon was an English

UMG25A05_462

This illustration of Lord Bacon (1561-1626) dates ...

Francis Bacon (died 1626), 1st Viscount St Alban, also known as Lord Verulam, was an English

UMG25A00_456

Francis Bacon (died 1626), 1st Viscount St Alban, ...

René Descartes (1596–1650) was a master French creative mathematician an important scientific

UMG25A00_458

René Descartes (1596–1650) was a master French cre...

This illustration shows the Entrance Construction on the Acropolis at Pergamon in the 2nd century

UMG25A01_258

This illustration shows the Entrance Construction ...

Havana, Cuba. Laying of the foundation stone for the new Scientific and Literary University on 23

UMG25A00_032

Havana, Cuba. Laying of the foundation stone for t...

Milton visiting Galileo - painting by Tito Lessi. Seeking Florentine inspiration,

UMG25A00_440

Milton visiting Galileo - painting by Tito Lessi. ...

Etienne Geoffroy Saint-Hilaire (1772-1844). French naturalist. He was chosen in 1798 to take part

UMG25A00_297

Etienne Geoffroy Saint-Hilaire (1772-1844). French...

Francis Bacon (died 1626), 1st Viscount St Alban, also known as Lord Verulam, was an English

UMG25A00_455

Francis Bacon (died 1626), 1st Viscount St Alban, ...

René Descartes (1596–1650) was a master French creative mathematician an important scientific

UMG25A00_457

René Descartes (1596–1650) was a master French cre...

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

UMG24A21_024

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

Prof Dr. Alfred Chapuis, Neuchâtel ca. 1950.

UMG24A30_011

Prof Dr. Alfred Chapuis, Neuchâtel ca. 1950.

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

UMG24A24_298

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

Prof Dr. Alfred Chapuis, Neuchâtel ca. 1950.

UMG24A30_012

Prof Dr. Alfred Chapuis, Neuchâtel ca. 1950.

Prof. Rene de Vallière, Zurich 1949

UMG24A25_424

Prof. Rene de Vallière, Zurich 1949

Dr. Erich Tilgenkamp, aviatics expert; Küsnacht 1958.

UMG24A30_068

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

Professor Dr. Wolfgang Pauli

UMG24A32_014

Professor Dr. Wolfgang Pauli

Nobel laureate Prof. Dr. Leopold Ruzicka, Zurich 1942

UMG24A33_087

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

Friedrich Wilhelm Nietzsche, German philosopher (1844 - 1900)

UMG24A33_467

Friedrich Wilhelm Nietzsche, German philosopher (1...

Heinrich Ott 1962 .

UMG24A26_003

Heinrich Ott 1962 .

Prof. Paul Scherrer at the ETH, 1955

UMG24A31_345

Prof. Paul Scherrer at the ETH, 1955

Dr. Erich Tilgenkamp, aviatics expert; Küsnacht 1958.

UMG24A29_295

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

Professor Dr. Friedrich Dessauer 1951

UMG24A31_041

Professor Dr. Friedrich Dessauer 1951

Clara Zollikofer 1956.

UMG24A22_440

Clara Zollikofer 1956.

August Schneider, engineer, 1953.

UMG24A28_301

August Schneider, engineer, 1953.

Adolf Osterwalder 1961.

UMG24A28_418

Adolf Osterwalder 1961.

Dr. Erich Tilgenkamp, aviatics expert. Küsnacht 1958

UMG24A33_230

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

Hans Barth, foreign correspondent around 1946.

UMG24A21_241

Hans Barth, foreign correspondent around 1946.

Rene Clavel ca. 1956.

UMG24A28_364

Rene Clavel ca. 1956.

Dr. Erich Tilgenkamp, aviatics expert; Küsnacht 1958.

UMG24A29_297

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

Prof. Dr. Otto Groeger, 1951

UMG24A30_399

Prof. Dr. Otto Groeger, 1951

Dr. Erich Tilgenkamp, aviatics expert. Küsnacht 1958

UMG24A32_480

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

Paul Scherrer in the forties.

UMG24A19_379

Paul Scherrer in the forties.

Paul Scherrer in the forties.

UMG24A21_238

Paul Scherrer in the forties.

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

UMG24A28_058

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

UMG24A31_263

Professor Dr. Wolfgang Pauli

Alberto Camenzind with children playing Indian

UMG24A31_346

Alberto Camenzind with children playing Indian

Prof. Paul Scherrer at the ETH, 1955.

UMG24A22_124

Prof. Paul Scherrer at the ETH, 1955.

August Schneider, engineer, 1953 .

UMG24A26_198

August Schneider, engineer, 1953 .

Professor Jean Trv©moliv©res, scientist 1968 .

UMG24A28_057

Professor Jean Trv©moliv©res, scientist 1968 .

Professor Dr. Wolfgang Pauli

UMG24A30_109

Professor Dr. Wolfgang Pauli

Hans Barth, foreign correspondent around 1946

UMG24A30_321

Hans Barth, foreign correspondent around 1946

Limnologists Congress Zurich 1948: Prof. Dr. Franz Ruttner

UMG24A25_500

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

Prof. Dr. phil. Konrad Escher, Zurich 1942

UMG24A27_081

Prof. Dr. phil. Konrad Escher, Zurich 1942

Thadeus Reichstein, chemist, 1950.

UMG24A25_477

Thadeus Reichstein, chemist, 1950.

Professor Maurice Erard 1948.

UMG24A29_055

Professor Maurice Erard 1948.

NASA Trial Windmill

UMG24A16_015

NASA Trial Windmill

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

UMG24A12_318

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

UMG24A12_317

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

UMG24A12_319

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...

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