The story was inspired by the Cold War, and the preservation of Albert Einstein's brain, which was kept by Thomas S. Harvey, M.D. There are also science fiction themes, such as aliens being concerned with humanity's self-destruction, and the resurrection of the dead through technology.
Thomas Jefferson | Thomas Edison | Thomas | Thomas Hardy | Thomas Mann | Thomas Aquinas | Clarence Thomas | Thomas Gainsborough | Dylan Thomas | Thomas Pynchon | St. Thomas | Saint Thomas, U.S. Virgin Islands | Thomas Carlyle | Thomas the Tank Engine | Thomas Moore | Thomas Cromwell | Thomas Becket | Thomas the Apostle | Thomas Merton | Thomas Tallis | Thomas Paine | Roy Thomas | Thomas Telford | Thomas More | Thomas Wentworth, 1st Earl of Strafford | Ryan Thomas | C. Thomas Howell | Thomas Kean | Thomas Gage | Thomas Eakins |