Nelson Rolihlahla Mandela 18 July 1918-5 December 2013) was a South African revolutionary political leader and who was served as president of South Africa from 1994 to 1999 he was the country's first black head of state and the first elected in a fully representative democratic election his government focused on dismantling the legacy of apartheid by tackling institutionalised racism and fostering racial reconciliation. Ideologically an African nationalist and socialist he served as the president of the African national Congress (ANC) party from 1991 to 1997
Dr. APJ Abdul Kalam, popularly known as THE MISSILE MAN OF INDIA was born on October 15th, 1931 in the island town of Rameswaram, Tamilnadu. He is the 11th president of India. He had done his schooling from Schwartz Higher Secondary School and then completed B.Sc. from St. Joseph College, Tiruchirappalli. Later Kalam extended his qualification by completing Aerospace Engineering from Madras Institute of Technology. He joined DRDO (Defense research and development organization) as a scientist in 1958 and in 1963 he joined ISRO. His contribution to the development of world-class missiles Agni, Prithvi, Akash etc for India is remarkable. Dr. APJ Abdul Kalam has been crowned with Bharat Ratna, Padma Bhushan, Ramanujan award, Padma Bibhushan and many other awards. Unfortunately, we lost this great scientist on 27th July 2015.