The stars have aligned for physics fans hoping to get their hands on a Stephen Hawking relic. Wheelchairs, scientific papers, and even a script from The Simpsons once belonging to the late physicist will be auctioned off starting Oct. 31, The Associated Press reports. Proceeds from the online sale will benefit Hawking's foundation and the Motor Neurone Disease Association. Hawking was given just a few months to live when he was diagnosed with ALS at age 22, but famously produced cosmological theories from a wheelchair until he died at 76 in March.