Posted by Børge A. Roum on

Stephen Hawking – 75th birthday lecture

Stephen Hawking – 75th birthday lecture

Stephen Hawking being presented by his daughter Lucy Hawking at the lecture he gave for NASA's 50th anniversary in 2008. Photo: NASA/Public domain

After almost 250 years we finally got to see a black hole! Now listen to the words of the worlds most famous black hole scientist, Stephen Hawking.