Ignacy Schwarzbart was a prominent Polish Zionist

Zionism

Zionism is a Jewish political movement that, in its broadest sense, has supported the self-determination of the Jewish people in a sovereign Jewish national homeland. Since the establishment of the State of Israel, the Zionist movement continues primarily to advocate on behalf of the Jewish state...

, and one of two Jewish representatives on the Polish National Council of the Polish Government-in-Exile during the Second World War, along with Szmul Zygielbojm

Szmul Zygielbojm

Szmul Zygielbojm was a Jewish-Polish socialist politician, leader of the Bund, and a member of the National Council of the Polish government in exile...

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Schwarzbart and Zygielbojm played key roles in highlighting reports of Nazi atrocities against Jews in Poland. In 1942 Schwarzbart held a press conference in London alleging that 1 million Jewish people had already been killed. The figures were reported in the media but were treated sceptically by both the British and by some other Polish politicians.

Books

• Felicjan Sławoj Składkowski, Nie ostatnie słowo oskarżonego, Warszawa 2003, ISBN 83-88736-32-0
• Dariusz Stola, Nadzieja i Zagłada. Ignacy Schwarzbart - żydowski przedstawiciel w Radzie Narodowej RP (1940-1945), Warszawa 1995
• E. Thomas Wood
  E. Thomas Wood
  E. Thomas Wood is an American journalist, historian and freelance writer. He currently works as a reporter for NashvillePost.com, a local business and political news website in Nashville, Tennessee....
  
   and Stanislaw M. Jankowski: Karski: How One Man Tried to Stop the Holocaust, by (John Wiley & Sons, Inc., 1994; paperback February 1996).