However, when Froebe died in April 1962, the organizational work for the Eranos sessions fell squarely on the shoulders of Rudolf Ritsema, and from 1962 to 1982, the year of Portmann's death, the Ritsemas were single-handedly responsible for keeping the tradition of the Eranos Conferences alive.
After Froebe's death in April 1962, Rudolf Ritsema took over the organizational duties for the Eranos sessions. From 1962 until Portmann's passing in 1982, the Ritsemas were solely responsible for keeping the Eranos Conferences going.