Martin Ludwig Monath (name later changed to Martin Witlin, and also known by pseudonyms such as Paul Widelin and Viktor) (5 January 1913 – August 1944) was a German Jewish Trotskyist resistance fighter.
His parents, Baruch (Bernhard) and Emilie Monath, had moved from Ternopil to Berlin in 1904.
[1] In 1931, Monath joined the Socialist-Zionist youth organization Hashomer Hatzair and became a member of its national leadership in Germany.
Around 1940, he joined the Revolutionary Communist Party (Belgium) alongside Abraham Leon and Ernest Mandel.
[2] In the summer of 1943, Monath became a member of the Provisional European Secretariat of the Fourth International, responsible for the "German work.