Time have been invited to attend the service for Professor Stephen Hawking. The physicist, cosmologist and died on March 14. Thousands of and well-wishers lined the streets in Cambridge, England for his funeral two weeks later. His family has now arranged a special ceremony to allow people to remember and celebrate his , and time travelers have been invited. Hawking wrote in his book "A Brief History of Time" that: "If time travel is , where are the from the future?" Now they have the opportunity to travel back in time. The online entry for the memorial allows people with birth dates up to December 31, 2038 to take part.
The of time travel had fascinated and Professor Hawking over the decades. In 2009, he staged a glitzy for time travelers at Cambridge University. He arranged champagne and snacks, and a saying: "Welcome time travelers". No one from the future attended that event. A spokesman for the Stephen Hawking Foundation, which is organizing the memorial service, said he had yet to receive a from any time travelers to attend the memorial service. The to reserve a place at the June 15 at London's Westminster Abbey is . The spokesman said it was still possible. He said: "We cannot exclude the possibility of time travel as it has not been disproven to our ."