Nikolai Andreevich Lebedev

Nikolai Andreevich Lebedev (Russian: Никола́й Андре́евич Ле́бедев; August 8, 1919 – January 8, 1982) was a Russian mathematician who worked on complex function theory and geometric function theory. Jointly with Isaak Milin, he proved the Lebedev–Milin inequalities that were used in the proof of the Bieberbach conjecture.