Cika jumla mai zuwa:
rushewar mulkin Nazi, Schneider ya koma Jamus a matsayin memba na "Kungiyar Ackermann" kuma ya zama mai siyasa a Saxony. Bayan Gwamnatin Sojojin Soviet a Jamus ta karɓi umarni a Thuringia, Walter Ulbricht ya nada Schneider a matsayin shugaban gundumar KPD na Thuringian. Daga cikin sauran abubuwa, ayyukansa sun haɗa da cire ɗan Social Democrat Hermann Brill daga mukaminsa a matsayin shugaban Regierungsbezirk. Saboda rashin iyawar kungiyar Schneider da halayyar koyarwa, a cikin kaka na 1945 an fitar da shi daga gwamnati kuma an tura shi zuwa tsarin jami'a a Jena. A wannan matsayin, ya zama shugaban "Gidan Ernst Haeckel" a cikin 1947 kuma ya kuma matsa don sake gabatar da mujallar Lebensreform "Urania".