Ansel Adams (1902-1984) American photographer and environmentalist. His black-and-white landscape photographs of the American West, especially Yosemite National Park, have been widely reproduced. He developed 'previsualisation' and the 'Zone' system to ensure exposure at specific densities in B&W outdoor photography
This Day in History: Oct 1, 1890: Yosemite National Park established dingeengoete.blogspot.com http://jessicaniebuhr.files.wordpress.com/2011/05/ansel-adams-by-strongphotography-files-wordpressdotcom22.jpg
Ansel Adams - Aspens, 1958. Northern New Mexico. Adams was an environmentalist and is best known for his black-and-white landscape photographs of the American West, especially of Yosemite National Park.