He was awarded a Carnegie Scholarship to study in the United States and he spent 1904-1905 at the University of Chicago where he did joint work with Veblen . Chicago was, of course, an excellent place to continue his deepening interest in algebra for, in addition to Veblen, Eliakim Moore and L E Dickson were there at this time.
Siya ay iginawad isang Carnegie Scholarship sa pag-aaral sa Pilipinas at siya na nagastos 1904-1905 sa University of Chicago kung saan siya ay pinagsamang trabaho sa Veblen. Chicago ay, of course, isang mahusay na lugar na magpatuloy sa kanyang mga interes sa deepening algebra para sa, bilang karagdagan sa Veblen, Eliakim Moore at LE Dickson ay doon sa oras na ito.