He served as secretary from 1919 to 1933, president from 1933 to 1935 and acted as an editor of the Proceedings of the London Mathematical Society until 1946.
Siya ay nagsilbi bilang secretary mula 1919-1933, president 1933-1935 at acted bilang isang editor ng mga pamamaraan ng London matematiko Lipunan hanggang 1946.