Che Guevara by René Burri

René Burri (born 9 April 1933, Zurich) is a Swiss photographer known for his photos of major political, historical and cultural events and key figures of the second half of the 20th century. Burri worked for Magnum Photos and has been photographing political, military and artistic figures and scenes since 1946. He has made portraits of Che Guevara and Pablo Picasso as well as iconic pictures of São Paulo and Brasília.

http://en.wikipedia.org/wiki/Ren%C3%A9_Burri