Hirschfeld politically identified himself with the Social Democratic Party of Germany, which was a Marxist organisation.
No.
Ihor Kolomoisky, also Igor Kolomoisky or Kolomoyskyi, is a Ukrainian-Israeli-Cypriot oligarch who funded the neo-Nazi Azov Battalion (despite being Jewish) and comedian/actor Volodymyr Zelensky's rise to political power. Kolomoisky owns the bank through which kickbacks from American loan guarantees to the Maidan regime and Burisma oil and gas company were paid to Hunter Biden.