Klarsfeld and his wife, Beate, spent decades tracking down Nazi war criminals and campaigning for their prosecution.

Their efforts contributed to the convictions of Kurt Lischka (1980), Klaus Barbie (1987), and Maurice Papon (1998).

• His father was arrested by the SS in Nice in 1943 and murdered at Auschwitz.

• In 1978, he published a memorial documenting the Jews deported from France during the Holocaust, and in 1979 he founded the association Sons and Daughters of Jewish Deportees from France.

• He was named a Grand Cross of the Legion of Honour in 2024.