How old is Joe Biden?

Stephen Hawking

Theoretical physicist known for his work on black holes and the bestselling book A Brief History of Time.

Photo: NASA · Public domain

Paul McCartney

Singer-songwriter and co-founder of The Beatles, one of the most successful composers in popular music.

Photo: Raph_PH · CC BY 2.0

Muammar Gaddafi

Muammar Muhammad Abu Minyar al-Gaddafi (c. 1942 – 20 October 2011) was a Libyan military officer, revolutionary, politician, and political theorist who ruled Libya from 1969 until his overthrow by Libyan rebel forces in 2011 during the First Libyan Civil War.

Source: Wikipedia · CC BY-SA 4.0

Photo: Hamza Turkia, © European Union, 2010 · CC BY 4.0

Muhammad Ali

Muhammad Ali ( ah-LEE; born Cassius Marcellus Clay Jr.; January 17, 1942 – June 3, 2016) was an American professional boxer and activist. A global cultural icon, widely known by the nickname "the Greatest", he is often regarded as the greatest heavyweight boxer of all time.

Source: Wikipedia · CC BY-SA 4.0

Photo: Bernard Gotfryd · Public domain

Jimi Hendrix

James Marshall "Jimi" Hendrix (born Johnny Allen Hendrix; November 27, 1942 – September 18, 1970) was an American guitarist, singer, and songwriter. He is widely regarded as one of the greatest and most influential guitarists of all time.

Source: Wikipedia · CC BY-SA 4.0

Photo: Original photographer unknown · Public domain

Amitabh Bachchan

Amitabh Bachchan (né Srivastava; born 11 October 1942) is an Indian actor, playback singer, and producer who primarily works in Hindi cinema. Widely considered one of the greatest, most accomplished and commercially successful actors in the history of Indian cinema, he has starred in over 200 films.

Source: Wikipedia · CC BY-SA 4.0

Photo: File:Amitabh Bacchan and Shrinivas Kulkarni.jpg : Shrinivaskulkarni1388 derivative work: Junior Jumper · CC BY-SA 4.0