'' The Man Who Folded Himself '' is a 1973 science fiction novel by American writer David Gerrold , dealing with time travel . It was nominated for the Nebula Award for Best Novel in 1974 and the Hugo Award for Best Novel in 1974 . The book explores the psychological , physical , and personal challenges that manifest when time travel is possible for a single individual at the touch of a button . References to both the American Airlines Flight 191 crash and the destruction of the World Trade Center Twin Towers , events which did not occur until 6 years and 28 years respectively after initial publication , were added in the 2003 edition
American Airlines Flight 191
American Airlines Flight 191
The Man Who Folded Himself