This year's Fields Medal winner, Jacob Tsimerman, joining OpenAI isn't just a headline--it's a clear signal of a much larger shift. We are entering the great AI inflection point, where the very profession of mathematicians (and by extension, traditional scientists) could dramatically shrink or largely disappear. Just as history witnessed the mass obsolescence of wizards, priests, shamans, imperial Confucian scholars, and other gatekeepers of ancient knowledge, today's career mathematicians and scientists may follow the same path. In their place, a powerful new class is emerging: the architects and stewards of AI-era cognition, who will define and lead humanity's next era of understanding.