Photo Researchers ftp March 2011

Color enhanced photograph of casts of Peruvian skulls showing trepanning, shown at the World's Congress of Anthropology, Chicago, 1894.

Color enhanced illustration of 16th Century Silver mining.

Color enhanced illustration of the use of the tobacco plant as a treatment for syphilis, 1558.

Color enhanced illustration of an aneurysm of the carotid artery, shown in situ. Specimen shown dissected post-mortem. Female patient, lateral view. 1...

Color enhanced illustration of a man who has contracted Syphilis being treated by baking in an oven for 30 days while breathing mercury fumes, a 16th...

Color enhanced illustration of Mary Fairfax Greig Somerville (1780 - 1872), a Scottish astronomer and mathematician. Somerville won international accl...

Color enhanced illustration of Socrates (c.470-399 BC), Ancient Greek philosopher, credited with introducing a new and critical attitude in philosophy...

Color enhanced illustration of James Simpson (1811-1870), Scottish physician. Simpson, who later called himself James Young Simpson, was the first per...

Color enhanced illustration of James Marion Sims (1813-1884), sometimes considered the father of modern gynecology. His achievements included the firs...

19th century caricature of Franz Josef Gall (1758-1828) showing a skull to a group of his followers. The busts and human skulls in the background are...

Portrait of Alexander Graham Bell (1847-1922), Scottish-American speech therapist and inventor of the telephone. Bell followed his father and grandfat...

Henricus Cornelius Agrippa (1486-1535) was also an astrologer and writer. He authored one of the most influential books on the occult, 'De occulta phi...

Illustration of sky design.

Isaac Barrow (1630-16770 english mathematician and theologian. Professor of Isaac Newton.

Arnaldo di Villanova, a french alchemist.

Engraving from De humani Corporis Fabrica (On the Structure of the Human Body) by Andreas Vesalius, first published in 1543.

19th century caricature of Franz Josef Gall (1758-1828) showing a skull to a group of his followers. The busts and human skulls in the background are...

19th century caricature of Franz Josef Gall (1758-1828) showing a skull to a group of his followers. The busts and human skulls in the background are...

Portrait of Alexander Graham Bell (1847-1922), Scottish-American speech therapist and inventor of the telephone. Bell followed his father and grandfat...

Henricus Cornelius Agrippa (1486-1535) was also an astrologer and writer. He authored one of the most influential books on the occult, 'De occulta phi...

Illustration of sky design.

Illustration of sky design.

Horoscope chart of Louis XIV cast by his astrologer, J.B. Morin of Villefranche, from Astrologia Gallica (the Hague 1661). Early horoscope diagrams we...

Horoscope chart of Louis XIV cast by his astrologer, J.B. Morin of Villefranche, from Astrologia Gallica (the Hague 1661). Early horoscope diagrams we...

Isaac Barrow (1630-16770 english mathematician and theologian. Professor of Isaac Newton.

Isaac Barrow (1630-16770 english mathematician and theologian. Professor of Isaac Newton.

Isaac Barrow (1630-16770 english mathematician and theologian. Professor of Isaac Newton.

Medieval woodcut of a zodiac with inner concentric depicting the four elements (from the center outwards) of Earth, Water, Air and Fire. The image of...

Medieval woodcut of a zodiac with inner concentric depicting the four elements (from the center outwards) of Earth, Water, Air and Fire. The image of...

Medieval woodcut of a zodiac with inner concentric depicting the four elements (from the center outwards) of Earth, Water, Air and Fire. The image of...

Medieval woodcut of a zodiac with inner concentric depicting the four elements (from the center outwards) of Earth, Water, Air and Fire. The image of...

Arnaldo di Villanova, a french alchemist.

William Herschel discovered Uranus in 1781 with this telescope.

Engraving from De humani Corporis Fabrica (On the Structure of the Human Body) by Andreas Vesalius, first published in 1543.

Engraving from De humani Corporis Fabrica (On the Structure of the Human Body) by Andreas Vesalius, first published in 1543.

Engraving from De humani Corporis Fabrica (On the Structure of the Human Body) by Andreas Vesalius, first published in 1543.

William Wollaston (1766-1828), English chemist. Wollaston is known for his discovery of palladium and rhodium. In 1800, having given up a medical prac...

Count Ferdinand von Zeppelin (1838-1917), German inventor of the airship. Von Zeppelin conceived the idea of confining the hot air balloon, first deve...

Sir Frederick Grant Banting (1891-1941), Canadian medical scientist, doctor and co-winner of the 1923 Nobel Prize in Physiology and Medicine for disco...

Sir Charles Wheatstone (1802-1875), British inventor. He is best known for the Wheatstone Bridge, a device for determining the resistance of an electr...

Friedrich Wohler (1800-1882), the German chemist. Wohler discovered the cyanates and, in 1828, showed that heating the inorganic compound ammonium cya...

Scottish physician, Alexander Wood, introduced the technique of hypodermic medication in 1853, administering morphine subcutaneously to relieve the sy...

Ancient catacombs. Copyright 1969.

Ahiriman in an Islamic miniature, as an old man who offers the fatal fruit to the first human beings. The Zoroastrians borrowed the story of Adam and...

A compass of the type used by the masters of feng-shui, the art of sacred geometry. Copyright 1994.

The swastika has been used as a decoration or mystical symbol in many parts of the world. Swastika pattern of the Navaho Indians. Copyright 1970.

The swastika has been used as a decoration or mystical symbol in many parts of the world. Swastika on a pot found at Argos in Greece, c. 8th century B...

The mitsudomoe symbol once signified the three treasures of Buddha. Copyright 1976.

The mitsudomoe symbol once signified the three treasures of Buddha. Copyright 1976.

The mitsudomoe symbol once signified the three treasures of Buddha. Copyright 1976.