Kammala wannan jumla: Gerschwiler ya fara zama na farko a duniya a
1939 gasar zakarun Turai, inda ya sanya 5th. Tsakanin 1939 da 1947, ba a gudanar da gasar tsere ta kasa da kasa ba, saboda Yaƙin Duniya na II. Gerschwiler ya zauna a Ingila tare da kawunsa da kuma kocin Jacques Gerschwiler lokacin da yakin ya barke. Lokacin da aka kira kawunsa gida zuwa Switzerland, Gerschwiler ya zauna tare da iyalin Cecilia Colledge. Ya shafe shekarun yaƙin yana aiki a matsayin ma'aikacin ma'aikata da mai kula da wuta kuma yana iya yin wasan motsa jiki sau ɗaya a mako.