François de Branges

François de Branges is a mathematician known for his work in complex analysis, particularly for proving the Bieberbach conjecture in 1985. The Bieberbach conjecture was a long-standing mathematical problem about the behavior of certain types of complex functions, and de Branges’ proof confirmed a precise rule about how the coefficients of these functions grow. His achievement advanced understanding in the field and demonstrated the power of modern mathematical techniques. Overall, de Branges' work contributed significantly to the study of complex functions and mathematical analysis.