Jean-Paul Charles Aymard Sartre was a French philosopher, playwright, novelist, screenwriter, political activist, biographer, and literary critic. He was one of the key figures in the philosophy of existentialism and phenomenology, and one...

Alan Turing was a mathematician who in 1937 suggested a theoretical machine, since called a Turing Machine, that became the basis of modern computing. In 1950 he suggested what has become known as a "Turing's test," still the criterion for...

Nelson Rolihlahla Mandela was a South African anti-apartheid revolutionary, politician and philanthropist who served as President of South Africa from 1994 to 1999. He was South Africa's first black chief executive, and the first elected in...

His Holiness the XIVth Dalai Lama, Tenzin Gyatso, is the spiritual and temporal leader of the Tibetan people. He was born in a small village called Takster in northeastern Tibet. Born to a peasant family, His Holiness was recognized at th...

Elon Musk is a South African-born Canadian-American business magnate, investor and inventor. He is currently the CEO & CTO of SpaceX and CEO & Chief Product Architect of Tesla Motors. He is the founder of multiple companies, most notably Sp...