The conclusion of the series that began with 2001: A Space Odyssey explains what really happened to Dave Bowman, who reentered the Discovery to incapacitate the psychotic computer HAL, and speculates about the future relationship between man and machine. Reprint.The conclusion of the series that began with "2001: A Space Odyssey" explains what really happened to Dave Bowman, who reentered the Discovery to incapacitate the psychotic computer Hal, and speculates about the future relationship between human and machi