1. Malala Yousafzai: A Pakistani activist for female education and the youngest Nobel Prize laureate.
2. Nelson Mandela: A South African anti-apartheid revolutionary, political leader, and philanthropist who served as the first President of South Africa.
3. Bill Gates: An American business magnate, investor, author, and philanthropist who co-founded the Microsoft Corporation.
4. Oprah Winfrey: An American talk show host, television producer, actress, author, and philanthropist.
5. Stephen Hawking: An English theoretical physicist, cosmologist, and author who was the Lucasian Professor of Mathematics at the University of Cambridge.
6. Jane Goodall: An English primatologist and anthropologist who is considered to be the world's foremost expert on chimpanzees.
7. Muhammed Yunus: A Bangladeshi social entrepreneur, banker, economist, and civil society leader who was awarded the Nobel Peace Prize for his work in microfinance.
8. Wangari Maathai: A Kenyan environmental and political activist who was the first African woman to win the Nobel Peace Prize.
9. Desmond Tutu: A South African Anglican cleric and theologian known for his work as an anti-apartheid activist and human rights campaigner.
10. Mahatma Gandhi: An Indian lawyer, anti-colonial nationalist, and civil rights activist who led India to independence through nonviolent civil disobedience.