He was involved with the establishment of CERN and the Research Establishment Risø of the Danish Atomic Energy Commission and became the first chairman of the Nordic Institute for Theoretical Physics in 1957.
Тој е интергриран во установата на CERN и Research Establishment Risø of the Danish Atomic Energy Commission, и во 1957станува првиот претседател на Нордичкиот институт за теоретска физика.