[2] Lewkowicz was sent to the Kraków-Płaszów concentration camp operated by the SS in Płaszów, a southern suburb of Kraków, in the General Governorate of German-occupied Poland.
[2] Lewkowicz is also credited with rescuing 600 Jewish children who were hidden in monasteries and orphanages throughout Poland to survive the war[3] and helping to relocate them to Israel.
[2] He began speaking publicly about his Holocaust experiences following the urging of his children[3] and the encouragement of Rabbi Naftali Schiff, who has focused on preserving final witness testimonies.
Lewkowicz reflected on the challenge of conveying the human story amidst the overwhelming facts of genocide, stating in his book, "I’m conscious that giving too many examples of depravity may dilute their impact.
It has since been translated into 12 languages and is set to be released in the United States by Harper Horizon on 27 January 2025, International Holocaust Remembrance Day.
[3][5] The 2019 documentary The Survivor’s Revenge, based on Lewkowicz's life, documents his pursuit of justice of Nazi war criminals, including Amon Göth.