The Austrian School of Economics, which is prominent as one of the main competitive directions for economic theory, is related to Austrian economists Carl Menger, Joseph Schumpeter, Eugen von Böhm-Bawerk, Ludwig von Mises, and Friedrich Hayek. Other noteworthy Austrian-born émigrés include the management thinker Peter Drucker, sociologist Paul Felix Lazarsfeld and scientist Sir Gustav Nossal.