Titus Burckhardt was a Swiss writer and a leading member of the Perennialist or Traditionalist School. He was the author of numerous works on metaphysics, cosmology, anthropology, esoterism, alchemy, Sufism, symbolism and sacred art.
Titus Burckhardt
Traditionalism (perennialism)
Traditionalism posits the existence of a perennial wisdom or perennial philosophy, primordial and universal truths which form the source for, and are shared by, all the major world religions.
René Guénon, Ananda Coomaraswamy and Frithjof Schuon.