Most of my favorites have already been mentioned. So I'll just add...

Erwin Olaf
Chuck Close
George Hurrell
Jim Marshall
Jan Saudek
Steve Diet Goedde
Gregory Crewdson
David LaChapelle
Joe Buissink
Herb Ritts
Hendrick Kerstens
Greg Kadel
Natalie Dybisz
Camilla Akrans
Joanna Kustra
Nikola Borissov
Ashton Kutcher