Paul Langevin French physicist, philosopher of science and pedagogue (1872-1946) (1872–1946) Parents Marie-Adélaïde Pinel Victor-Charles Langevin Children Madeleine Varloteau André Langevin Paul-Gilbert Langevin Jean Langevin Hélène Solomon-Langevin Siblings Victor Langevin Julien Langevin Partners Éliane Montel Jeanne Desfosses