kingstitt:

J. Heinrich Lambert, strongly influenced by the work of Tobias Mayer, presented the first three-dimensional colour-system in 1772. (via)
fewthistle:

La Tour Eiffel. Paris. 1952.
Photographer: Henri Cartier-Bresson
lemanoosh:

http://en.wikipedia.org/wiki/William_Pereira
wasbella102:

Kim Osgood:  Tangled Coil