Famous Nature Photographers
Takashi Amano (nature images from around world)
Robert Adams (landscape: urban invasion of nature; New Topopgraphics Photo Movement)
Art Wolfe (wildlife and human photos from around the world)
Ernst Haas (mostly landscapes, but does do portrait as well)
Eaweard Muybridge (pioneer of motion photography and motion pictures)
Graciela Iturbide (much of work focused in Mexico, mysterious images, nature, portraits)