LONDON (AP) Stephen Hawking was a cosmic visionary, a figure of inspiration and a global celebrity.

His unique status is reflected in an upcoming auction of some of the late physicists possessions: It includes complex scientific papers, one of the worlds most iconic wheelchairs and a script from The Simpsons.

The online sale announced Monday by auctioneer Christies features 22 items from Hawking, including his doctoral thesis on the origins of the universe, some of his many awards, and scientific papers such as Spectrum of Wormholes and Fundamental Breakdown of Physics in Gravitational Collapse.

Thomas Venning, head of books and manuscripts at Christies, said the papers trace the development of his thought this brilliant, electrifying intelligence.

You can see each advance as he produced it and introduced it to the scientific community, Venning said.