Photo Researchers ftp March 2011

Henry James Pye was an english poet. Pye was poet laureate from 1790 to his death in 1813.

Alphonse Bertillon's anthropometric measuring system used to record the dimensions of a subject's ears.

The system recorded 12 measurements including the circumference of the skull.

Historical engraving showing a vacuum pump experiment carried out by the 17th century German scientist and inventor Otto von Guericke (1602 -1686). O...

Woodcut of the plague, printed above a 'lamentable list of Death's triumphs in the weekly burials of the city of London'.

Woodcut of the plague, printed above a 'lamentable list of Death's triumphs in the weekly burials of the city of London'.

Giovanni Borelli. Portrait of Giovanni Alfonso Borelli (1608-79), the Italian who applied mathematics to physiology and astronomy. Borelli studied the...

Giovanni Borelli. Portrait of Giovanni Alfonso Borelli (1608-79), the Italian who applied mathematics to physiology and astronomy. Borelli studied the...

Giovanni Borelli. Portrait of Giovanni Alfonso Borelli (1608-79), the Italian who applied mathematics to physiology and astronomy. Borelli studied the...

A rat catcher with flag, ensign of his trade.

A rat catcher with flag, ensign of his trade.

An illustration of Robert Bunsen (March 31, 1811 - August 16, 1899), the German chemist who perfected the burner that was invented by Michael Faraday...

An illustration of Robert Bunsen (March 31, 1811 - August 16, 1899), the German chemist who perfected the burner that was invented by Michael Faraday...

An illustration of Robert Bunsen (March 31, 1811 - August 16, 1899), the German chemist who perfected the burner that was invented by Michael Faraday...

Franz Boas (July 9, 1858 - December 21, 1942) was a German American anthropologist. A pioneer of modern anthropology, he has been called the "Father o...

Franz Boas (July 9, 1858 - December 21, 1942) was a German American anthropologist. A pioneer of modern anthropology, he has been called the "Father o...

In his laboratory. Back in 1922, the year he won the Nobel Prize in physics, Bohr stood beside a magnet and gas-discharge apparatus he used to study t...

In his laboratory. Back in 1922, the year he won the Nobel Prize in physics, Bohr stood beside a magnet and gas-discharge apparatus he used to study t...

Anthropologist Franz Boas.

Anthropologist Franz Boas.

Anthropologist Franz Boas.

Portrait of Giovanni Belzoni, the Venetian explorer.

Portrait of Giovanni Belzoni, the Venetian explorer.

Jakob B?hme (roughly April 24, 1575 - November 17, 1624) was a German Christian mystic and theologian. .

Herman Boerhaave (Voorhout, December 31, 1668 - Leiden, September 23, 1738). Dutch botanist, humanist and physician of European fame. Commonly regarde...

Herman Boerhaave (Voorhout, December 31, 1668 - Leiden, September 23, 1738). Dutch botanist, humanist and physician of European fame. Commonly regarde...

Elizabeth Blackwell. Drawing of Elizabeth Blackwell (1821-1910), first woman to become a doctor in her own right in Britain. Born in Britain, Blackwel...

Elizabeth Blackwell. Drawing of Elizabeth Blackwell (1821-1910), first woman to become a doctor in her own right in Britain. Born in Britain, Blackwel...

Sir Robert Boyle and his laboratory assistant Denis Papin, 1675.

Sir David Bruce--1855-1931. A pioneer investigator in the field of tropical diseases.

Sir David Bruce--1855-1931. A pioneer investigator in the field of tropical diseases.

William Buckland (March 12, 1784 - August 24, 1856) the English geologist and paleontologist who wrote the first full account of a fossil dinosaur, wh...

William Buckland (March 12, 1784 - August 24, 1856) the English geologist and paleontologist who wrote the first full account of a fossil dinosaur, wh...

Londoners fleeing plague, 1630.

Londoners fleeing plague, 1630.

Woodcut of the plague, printed above a 'lamentable list of Death's triumphs in the weekly burials of the city of London'.

Giovanni Borelli. Portrait of Giovanni Alfonso Borelli (1608-79), the Italian who applied mathematics to physiology and astronomy. Borelli studied the...

A rat catcher with flag, ensign of his trade.

An illustration of Robert Bunsen (March 31, 1811 - August 16, 1899), the German chemist who perfected the burner that was invented by Michael Faraday...

Franz Boas (July 9, 1858 - December 21, 1942) was a German American anthropologist. A pioneer of modern anthropology, he has been called the "Father o...

Niels Bohr in his laboratory. Back in 1922, the year he won the Nobel Prize in physics, Bohr stood beside a magnet and gas-discharge apparatus he used...

Anthropologist Franz Boas.

Anthropologist Franz Boas.

Portrait of Giovanni Belzoni, the Venetian explorer.

Jakob B?hme (roughly April 24, 1575 - November 17, 1624) was a German Christian mystic and theologian.

Herman Boerhaave (Voorhout, December 31, 1668 - Leiden, September 23, 1738). Dutch botanist, humanist and physician of European fame. Commonly regarde...

Elizabeth Blackwell. Drawing of Elizabeth Blackwell (1821-1910), first woman to become a doctor in her own right in Britain. Born in Britain, Blackwel...

Sir Robert Boyle and his laboratory assistant Denis Papin, 1675.

Sir David Bruce--1855-1931. A pioneer investigator in the field of tropical diseases.

William Buckland (March 12, 1784 - August 24, 1856) the English geologist and paleontologist who wrote the first full account of a fossil dinosaur, wh...