 Although he met Wittgenstein on only a few occasions, Hayek said that Wittgenstein's philosophy and methods of analysis had a profound influence on his own life and thought.In his later years, Hayek recalled a discussion of philosophy with Wittgenstein when both were officers during World War I.After Wittgenstein's death, Hayek had intended to write a biography of Wittgenstein and worked on collecting family materials and later assisted biographers of Wittgenstein.