Réginald Garrigou-Lagrange (1877–1964)

Dominican Thomist, author of The Three Ages of the Interior Life. Réginald Marie Garrigou-Lagrange was a French Dominican friar, philosopher and theologian. As a neo-Thomist, he is recognized along with Édouard Hugon and Martin Grabmann as a distinguished theologian of the 20th century. As professor at the Pontifical University of Saint Thomas Aquinas, he taught dogmatic and spiritual theology in Rome from 1909 to 1959. There he wrote The Three Ages of the Interior Life in 1938.