Close Thomas Jefferson (April 13, 1743 (April 2, 1743 O.S.) – July 4, 1826) was an American Founding Father, the principal author of the Declaration of Independence (1776) and the third President of the United States (1801–1809).Employing non-violent civil disobedience, Gandhi led India to independence and inspired movements for non-violence, civil rights and freedom across the world. (January 15, 1929 – April 4, 1968) was an American clergyman, activist, and leader in the African-American Civil Rights Movement.

At the beginning of the American Revolution, he served in the Continental Congress, representing Virginia and then served as a wartime Governor of Virginia (1779–1781).

Close Galileo Galilei (15 February 1564 – 8 January 1642), often known mononymously as Galileo, was an Italian physicist, mathematician, engineer, astronomer, and philosopher who played a major role in the scientific revolution.

Reared in a poor family on the western frontier, Lincoln was self-educated, and became a country lawyer, a Whig Party leader, Illinois state legislator during the 1830s, and a one-term member of the United States House of Representatives during the 1840s.

Close Nelson Rolihlahla Mandela born 18 July 1918 is a South African politician who was the President of South Africa from 1994 to 1999, the first ever to be elected in a fully representative and multi-racial election.

Close Sir Isaac Newton PRS MP (25 December 1642 – 20 March 1727) was an English physicist and mathematician who is widely regarded as one of the most influential scientists of all time and as a key figure in the scientific revolution.

His book Philosophiæ Naturalis Principia Mathematica ("Mathematical Principles of Natural Philosophy"), first published in 1687, laid the foundations for most of classical mechanics.

Close Alexander III of Macedon (20/21 July 356 – 10/11 June 323 BC), commonly known as Alexander the Great was a king of Macedon, a state in northern ancient Greece.

Born in Pella in 356 BC, Alexander was tutored by Aristotle until the age of 16.

His administration focused on dismantling the legacy of apartheid, as well as tackling racism, poverty and inequality.