Leon Brunschvicg

Léon Brunschvicg was a French idealist philosopher and historian of science, a leading figure of critical idealism who held that mind and reason progressively construct reality, and who produced influential editions of Pascal and Descartes. Co-founder of the Revue de métaphysique et de morale, he was born into a Jewish family and, persecuted under Vichy, died in hiding in 1944.