A short biography of the obscure figure of Ukrainian anarchist Sacha Piotr-real name Alexander Schapiro, active in the Ukraine, Russia, Belgium, France and Germany. He fought with the anarchists in Spain and was murdered by the Nazis in Auschwitz. Father of the gifted mathematican Alexander Grothendieck.
Alexander Schapiro was born into a Jewish family with a Hasidic background in Novozybkov in the Ukraine on October 11th 1889 or 6th August 1890. This is the date given by his son Alexander, but it is not clear whether this was by the Julian or Gregorian calendar! In addition the Red Cross report of 1957 on him give two different birth dates, one of 10/11/1889 and one of 11/10/1889!



