He hoped to obtain a chair at University College but that seemed unlikely, so he also considered returning to Warsaw. However, Egon Pearson worked hard to keep him in London and managed to arrange salary increases.
Siya inaasam na makakuha ng upuan sa University College ngunit seemed na walang kasiguruhan, kaya siya din ang itinuturing na bumabalik sa Warsaw. Gayunman, Egon Pearson nagtrabaho nang husto upang panatilihin siya sa London at pinamamahalaan upang ayusin suweldo ay nadadagdagan.