Leo Rosner Leo Rosner Leopold "Leo" Rosner (26 June 1918 – 10 October 2008) was a Polish-born Australian musician. Rosner, who was Jewish, survived the Holocaust in Nazi concentration camps during World War II by playing his accordion for Nazi officials. This earned the attention of Oskar Schindler, who saved his life by having him placed on his famous list. His story became known after Australian author Thomas Keneally's 1982 novel, "Schindler's Ark", was adapted into Steven Spielberg's Oscar-winning film, "Schindler's List". He appeared in the epilogue of the film at the Schindler's grave on Mount Zion. Rosner was born in Kraków,
Poldek Pfefferberg death in 1974 seemed to end any possibility of a film. In 1980 when Thomas Keneally went into Pfefferberg's shop to ask about the price of briefcases, Pfefferberg learned that Keneally was a novelist and showed him his extensive files on Schindler. Keneally was interested, and Pfefferberg became an advisor for the book, accompanying Keneally to Poland where they visited Kraków and the sites associated with the Schindler story. Keneally dedicated "Schindler's Ark" to Pfefferberg: "who by zeal and persistence caused this book to be written." Pfefferberg explained the reasons behind his efforts to have the Schindler story told as: