Luis Korda Díaz acted primarily as photographer and travel companion of Fidel Castro, with whom he had a close relationship, and also Ernesto Guevara, whom he saw as rather arrogant – a personal view he shared with many other photographers. Luis Korda’s most famous image is also the most important photo of the Cuban revolution, showing the revolutionaries entering Havana on 8 January 1959 with Fidel Castro and Camilo Cienfuegos at the head of the procession. The fear that Studio Korda, a privately held company, could fall victim to nationalisation, drove Alberto Diaz and Luis Peirce to bequeath it to the Oficina
Guerrillero Heroico Korda continued to print both versions of the image up until his death. To take the photograph, Korda used a Leica M2 with a 90 mm lens, loaded with Kodak Plus-X pan film. In speaking about the method, Korda remarked that "this photograph is not the product of knowledge or technique. It was really coincidence, pure luck." As a lifelong communist and supporter of the Cuban Revolution until his death, Alberto Korda claimed no payment for his picture. A modified version of the portrait through the decades was also reproduced on a range of different media, though Korda never asked