'Time travellers' invited to Stephen Hawking's farewell
Stephen Hawking's memorial service website allows users to enter a birthdate up to December 31, 2038, apparently inviting "time travellers". The physicist's ashes will be buried alongside Isaac Newton and Charles Darwin in London's Westminster Abbey on June 15. Hawking once posted his party's invite after the event and remarked "time travel is not possible" as no one turned up.