A copy of Stephen Hawking's doctoral dissertation signed in a shaky hand was the highlight of an auction of the British physicist's personal affairs in London, which increased almost 1.4 million.
The copy, one of only five originals of the dissertation titled "Expansive Universe Features", shattered pre-sales expectations four times to sell for 584,750 at Christie's sale, which ended on Thursday.
A red leather wheelchair that Hawking used from the late 1980's to the mid 1990's, drove himself with a joystick, sold for 296,750 while an early edition of his best-selling book "A Brief History of Time" marked with a thumbnail, downloaded 68,750.
A manuscript from One of his appearances on the television series "The Simpsons" was one of the 22 parties under the hammer and sold for 6.250.
The collection highlighted the shine, determination and humor of Hawking, who died in March 76 years after spending a lifetime trying to unlock the universe's secrets.
Hawking published his dissertation in 1965, two years after being diagnosed with amyotrophic lateral sclerosis (ALS), a form of motor neuron disease that eventually left him paralyzed.  His first wife Jane wrote the 117 pages, but he added two handwritten signatures and the words "This thesis is my original work" on the front, as well as several mathematical equations inside.
When the document was available online last year by Cambridge University, where Hawking spent his career, it was so popular that it crashed the site.
– Chronicle of Life –
A collection of medals and awards, including honors from the Royal Astronomical Society, is sold for 296,750, with the entire collection reaching 1,384,625.
"We are very pleased to help Christie's help us with the important issue of managing our father's archives and his uniqueness and precious collection of personal and professional possessions, chronic life and work," said the physicist daughter Lucy Hawking before the sale.
"We also give admirers of his work the chance to get us a memorable one of our father's extraordinary life in the form of a small selection of atmospheric and fascinating things."
An invitation he sent to a party held several Years earlier, a light attempt to see if anytime travelers would appear sold more than 10 times its predicted estimate of 100 while a bomber jacket he carried in a 2016 documentary occupied 40,000.
The articles are just a small selection from Hawk's archives, which his family donates to the country instead of paying inheritance tax, although there are still no details about where it will be stored.
The auction funds will go to the family, although the money collected from selling the wheelchair will be donated to the Motor Neurone Disease Association and the Stephen Hawking Foundation.
Stephen Hawking published his dissertation in 1965, two years after being diagnosed with amyotrophic lateral sclerosis, which would eventually leave him paralyzed.
Stephen Hawking died in March 76 years after a lifetime trying to unlock the universe's secrets.
The scientist used this red leather wheelchair from the late 1980s to the mid-1990s, drove using a joystick
] The auction also included an early edition of "A Brief History of Time", signed with a thumbnail
A collection of its medals and awards, including Honors from the Royal Astronomical Society, was sold for 296,750