Exploration of the brain began in the distant past, but it remains a secret world whose mysteries are still not fully understood. Progress in neurosurgery was extremely slow until the emergence of a medical genius who would change everything. Widely considered the father of microneurosurgery, Gazi Yasargil gave new hope to thousands of people suffering from brain diseases. And thanks to the efforts of doctors, a brand-new field of neurosurgery is being opened up.