 Blücher had been a Spartacist and then a founding member of the KPD, but had been expelled due to his work in the "Versöhnler" (Conciliator faction).Although Arendt had rejoined Stern in 1933, their marriage existed in name only, with them having separated in Berlin.She fulfilled her social obligations and used the name Hannah Stern, but the relationship effectively ended when Stern, perhaps recognizing the danger better than she, emigrated to America with his parents in 1936.