Rubuta ci gaba don wannan sakin layi - Saboda Yaƙin Duniya na II, Landelius ya buga wasanni 21 ne kawai na ƙasa da ƙasa tare da ƙungiyar Sweden. Musamman, an zabe shi a matsayin mafi kyawun mai karewa a gasar zakarun duniya ta 1947
yayin da kasarsa ta lashe lambar azurfa. Ya kuma yi gasa a Wasannin Olympics na 1948 a St. Moritz, inda Sweden ta gama a matsayi na hudu.