Ludwik Kalkstein

Ludwik "Hanka" Kalkstein (13 March 1920, in Warsaw – 26 October 1994, in Munich)[1] was a Polish Nazi collaborator .

[2] Kalkstein was responsible for the arrest and execution by the Nazis of at least 14 officers of the Polish underground, including General Stefan Rowecki.

[3] Arrested by the Gestapo in April 1942 and interrogated, Kalkstein and Kaczorowska had followed a path taken by other Nazi agents.

[5] Kalkstein was arrested by the UB in August 1953 and sentenced to life imprisonment, charged with having betrayed General Rowecki.

In fact, in the mid-1980s he emerged in Munich, Germany, where he worked in the library of the Polish Catholic Mission under the name "Edward Ciesielski".