"Pangborn's paradox" is a science fiction novel by David Mason that tells the story of scientist Jack Pangborn who discovers a mysterious philosophical paradox that could change the whole world. Despite his great discoveries, Pangborn finds himself in the middle of an intrigue between various scientific institutions and government agencies that seek to use his discoveries for their own purposes. This book impresses the reader not only with an exciting plot, but also with deep thoughts about morality, science and power. "The Pangbourne Paradox" is an exciting journey into the world of great discoveries and moral choices.