He worked hard on topology problems which Wilder had given him and he made sufficient progress, despite working on his own, that by the end of the year he had written his first paper.
Siya ay nagtrabaho nang husto sa topology problema na Wilder had ibinigay sa kanya at siya ginawa ng sapat na progreso, sa kabila ng pagtatrabaho sa kanyang sarili, na sa pamamagitan ng dulo ng taon niya na nakasulat sa kanyang unang papel.