Kunwar Natwar Singh (born May 16, 1931, Jaghina, Bharatpur, Rajastan, India) is an Indian politician and former cabinet minister. On December 7, 2005, he was removed from his post as Minister in charge of External Affairs under a cloud of scandal and became a minister without portfolio. Named by the U.N. Independent Enquiry Committee (popularly known as Volcker committee) as a beneficiary of illegal payoffs in Iraqi oil scam, he was forced to resign from the Cabinet on December 6, 2005.

He is married to the daughter of Yadavindra Singh of Patiala Maharajkumari Heminder Kaur, and is hence brother-in-law to Amarinder Singh, the current Maharaja of Patiala and a former chief minister of Punjab.

Natwar Singh attended Mayo College and Scindia School, Gwalior. He was an undergraduate at St. Stephen's College, Delhi. He subsequently studied at Corpus Christi College, Cambridge University and at Peking University in China.

Barack Hussein Obama II (ⁱ/bəˈrɑːk huːˈseɪn oʊˈbɑːmə/; born August 4, 1961) is the 44th and current President of the United States. He is the first African American to hold the office. In January 2005, Obama was sworn in as a U.S. Senator in the state of Illinois. He would hold this office until November 2008, when he resigned following his victory in the 2008 presidential election.

Born in Honolulu, Hawaii, Obama is a graduate of Columbia University and Harvard Law School, where he was the president of the Harvard Law Review. He was a community organizer in Chicago before earning his law degree. He worked as a civil rights attorney in Chicago and taught constitutional law at the University of Chicago Law School from 1992 to 2004. He served three terms representing the 13th District in the Illinois Senate from 1997 to 2004.

Following an unsuccessful bid against the Democratic incumbent for a seat in the United States House of Representatives in 2000, Obama ran for the United States Senate in 2004. Several events brought him to national attention during the campaign, including his victory in the March 2004 Illinois Democratic primary for the Senate election and his keynote address at the Democratic National Convention in July 2004. He won election to the U.S. Senate in Illinois in November 2004. His presidential campaign began in February 2007, and after a close campaign in the 2008 Democratic Party presidential primaries against Hillary Rodham Clinton, he won his party's nomination. In the 2008 presidential election, he defeated Republican nominee John McCain, and was inaugurated as president on January 20, 2009. Nine months later, Obama was named the 2009 Nobel Peace Prize laureate. In April 2011, he announced that he would be running for re-election in 2012.

Manmohan Singh (Punjabi: ਮਨਮੋਹਨ ਸਿੰਘ [mənˈmoːɦən ˈsɪ́ŋɡ], Hindi: मनमोहन सिंह [mənˈmoːɦən ˈsɪŋɦ] ( listen); born 26 September 1932) is the 13th and current Prime Minister of India. He is the only Prime Minister since Jawaharlal Nehru to return to power after completing a full five-year term. A Sikh, he is the first non-Hindu to occupy the office. Singh is also the 7th Prime Minister from the Indian National Congress (Congress) party. He is a four-time Member of Parliament from the Upper House of the Parliament of India, the Rajya Sabha, representing the state of Assam. His term in the 14th Rajya Sabha was from 22 May 2004 to 26 February 2009. In the 15th Rajya Sabha his term started 22 May 2009 and is scheduled to continue till 2014. On 27 May 2012, he became the first Indian Prime Minister to visit Myanmar in 25 years.

Born in Gah, Punjab in British India (now Pakistan) in 1932, he migrated to India with his family at the time of Partition in 1947. Singh studied at Panjab University, University of Cambridge and University of Oxford. Thereafter, while Singh was working at United Nations Conference on Trade and Development (UNCTAD), Lalit Narayan Mishra, the then Indian Minister for Foreign Trade, appointed Singh as an advisor to his ministry. He was appointed Governor of the Reserve Bank of India between 1982 and 1985, Deputy Chairman of the Planning Commission of India from 1985 to 1987 and Secretary General of the South Commission from 1987 to 1990. Elected to the Rajya Sabha in 1991, he was inducted into Prime Minister P. V. Narasimha Rao's cabinet as Finance Minister the same year, a post he held until 1996. His tenure as Finance Minister is best remembered for the economic reforms he carried out, which ended the Licence Raj system and helped open the Indian economy.

Nelson Rolihlahla Mandela (Xhosa pronunciation: [xoˈliːɬaɬa manˈdeːla]; born 18 July 1918) is a South African politician who served as President of South Africa from 1994 to 1999, the first ever to be elected in a fully representative democratic election. Before being elected President, Mandela was a militant anti-apartheid activist, and the leader and co-founder of Umkhonto we Sizwe, the armed wing of the African National Congress (ANC). In 1962 he was arrested and convicted of sabotage and other charges, and sentenced to life imprisonment. Mandela went on to serve 27 years in prison, spending many of these years on Robben Island. Following his release from prison on 11 February 1990, Mandela led his party in the negotiations that led to the establishment of democracy in 1994. As President, he frequently gave priority to reconciliation, while introducing policies aimed at combating poverty and inequality in South Africa.

In South Africa, Mandela is often known as Madiba, his Xhosa clan name; or as tata (Xhosa: father). Mandela has received more than 250 awards over four decades.