People have different opinions on Che Guevara. Some see him as a good leader. In addition to that he was an excellent writer and some of his articles and speeches were even published. Others see him as a bad man who wanted to hurt people. A black and white image of Guevara's face is one of the most merchandized images. It can be found on many items. They include t-shirts, hats, posters, and other items. The image was based on a photograph by Alberto Korda Díaz. Díaz was a Cuban photographer. It was taken in 1960.