Development of Calculus Analysis By sajid.11 1762 Joseph Louis Lagrange's Epoch-making Discovery Joseph Louis Lagrange's discovery of divergence theorem 1817 Intermediate Value Theorem was presented by Bernard Bolzano Bernard Bolzano and Intermediate Value Theorem 1908 Josip Plemelj's Contribution Josip Plemelj solves the Riemann problem 1966 Abraham Robinson's Non-standard Analysis Non-standard Analysis was presented by Abraham Robinson 1985 Louis de Branges de Bourcia's Proof Bieberbach conjecture was proven by Louis de Branges de Bourcia
