He was made honorary editor of Algebra Universalis and served as President of the Association for Symbolic Logic from 1944 to 1946 and the International Union for the History and Philosophy of Science in 1956-57.
Siya ay ginawa honorary editor ng algebra Universalis at nagsilbi bilang Pangulo ng Association para sa sinasagisag Logic 1944-1946 at ng International Union para sa Kasaysayan at Pilosopiya ng Agham sa 1956-57.