From Left: Organisation of African Unity (OAU) Secretary - General Edem Kodjo, Kenya's Foreign Affairs Minister Dr John Robert Ouko and UN Secretary - General Kurt Waldheim at the Organisation of African Unity (OAU) Heads of State meeting in Nairobi. Kenya's renowned photojournalist Mohamed Amin, also known as 'Six Camera Mo' captured some of Africa's defining moments and photographed almost every African leader in the 20th century.