 Following his retirement from this post he would remain honorary president till his death.During the 1950s he was also working for the SPD Basic Values Commission (""der SPD-Grundwertekommission"") and precursor programme commissions to the Godesberg Program, of which at least one source describes him as the "spiritual father".Weisser retired in 1966 and went back to Göttingen, where he taught as an honorary professor.