The co-authorship of Frederik Pohl and his friend, one of the founders of the science fiction genre, is both a high-profile literary event and our farewell to the great Arthur C. Clarke, creator of the prophetic “A Space Odyssey” and many other masterpieces. In 1637, a Frenchman left There is a note in the margins of the book that he managed to prove a certain theorem, but the proof itself has not reached us. Many of the best minds have struggled with this riddle for centuries, and it was only in the twenty-first century that a young Sri Lankan mathematician was able to find an elegant solution to Fermat's Last Theorem. But how to present it to the public and receive well-deserved laurels if a brilliant scientist is thrown into prison without trial and even tortured? For the first time in Russian!