Kaj Jepperson

 was a scientist in Prague in the 30th century. He made a time machine using zygma energy, but something went wrong and he was deformed. The deformed Jepperson tried to stop his past self from using the time machine, but it was too late. The past Jepperson attempted to stop the machine, even though it would mean the destruction of Prague, but the deformed Jepperson prevented him, causing the very accident that deformed him in the first place. (PROSE: The End of Now)