Photographer Weegee describes his haunting meeting with an 81 year old Alfred Stieglitz. From his book Naked City.

Jan 1889, Friedrich Nietzsche (1844 - 1900) is said to have witnessed a cab driver viciously whipping a horse.

"I created a series of advertisements which I placed in various publications..Of course I was advertising my own conceptual ideas,

Eadweard Muybridge (1830-1904) photography. Most famous for his studies in locomotion and it's influence on the invention of cinema

Portraits of Georgia O'Keeffe by Alfred Stieglitz. Stieglitz photographed O'Keeffe obsessively

Etienne-Jules Marey (1830-1904) physiologist, doctor, biomechanics engineer and inventor of chronophotography.

Wilson Alwyn Bentley frustrated with being unable to view snowflakes under his microscope devised his own methods.

Nearly 1,000 atomic bomb tests were detonated in the Nevada Test Site in the Nevada Desert from 1951 until 1992.

Anne Brigman (1869 - 1950) depicted herself and other female nudes outdoors in the Sierra Nevada.

Pictures of atomic bomb explosions taken one ten-millionth of a second after detonation from about seven miles away.

In June 1878, Eadweard Muybridge created a sequential series of photographs with a battery of 12 cameras along the race track

Aerial photographs taken by pigeons using Dr Julius Neubronner's (1852 – 1932) Miniature Pigeon Camera' patented in 1908.

A pile of American bison skulls waiting to be ground for fertiliser (circa 1892) unknown photographer.