Dobrokhotov’s death shocked Ryabov. Denis Matveevich was not only a mentor, scientific advisor, and friend for Victor. Professor Dobrokhotov and his daughter Nina played a key role in Victor’s life. A top manager in a large Russian corporation, Viktor Nikolaevich Ryabov, has long distanced himself from his teacher and his scientific interests. But Dobrokhotov’s suicide letter forces Ryabov to deal with his legacy, especially since a hunt has begun for the professor’s archive. Ryabov plunges into a labyrinth of intellectual mysteries and criminal traces in order to understand what exactly his teacher bequeathed to him and how to preserve his legacy...