Stephen Hawking turns 70

 

stephen hawking turns 70 birthday

Legendary physicist Stephen Hawking celebrated his 70th birthday at Cambridge University, England, discussing the nature of the universe and topics related to supernovae, black holes and dark matter.

One of the most famous scientists alive today, Hawking is famous for popularizing the work of theoretical astrophysicists with this best-sellers A Brief History of Time and The Universe in a Nutshell.