In the period 1913-1928 he was also the member of the editorial board of the Annals of Mathematics. He gave excellent graduate courses, inspired research, and was very useful to the Annals as a contributor and as a critic.
Sa panahon ng 1913-1928 siya rin ang mga miyembro ng grupo ng mga patnugot ng ang Annals of Mathematics. He gave mahusay na nagtapos ng kurso, inspirasyon pananaliksik, at noon ay tunay na kapaki-pakinabang sa Annals bilang isang kontribyutor at bilang isang kritiko.