This week, Stephen Hawking relinquished his post as Lucasian Professor of Mathematics at Cambridge University. He had held the post for 30 years.
As well as Professor Hawking, the post has been held by various luminaries in the fields of science, mathematics and engineering. Here, we look at a few of them.
The list of winners of the annual Astronomy Photographer Of The Year competition was announced on 10th September, with the exhibition opening in the Royal Observatory in Greenwich, London on the same day.
