Without doubt Richard Avedon was, is and will always be the world's greatest photographer.
I have compiled a list of those who I consider to be the world's greatest photographers with links where possible to their websites:
You need more lessons but your getting there. Mary Poppins should be pleased with your progress! by Richard Avedon : Carmen Dell’Orefice (Homage to Munkácsi), Place François-Premier, Paris, 1957 Harper’s Bazaar Coat by Pierre Cardin
Michael King I II and III which later changed their names to Martin Luther King after the teachings of Martin Luther. Martin Luther King, Jr with his father and son, Atlanta, Georgia, March Photo by Richard Avedon.