Thomas Edelmann was born in Germany more than 25 years after the Allies defeated Hitler. Yet last year, following an unexpected marketing call, the 49-year-old businessman contacted a retired teacher in Israel to apologize for the actions of the grandfather he never met. "It was such an emotional moment when I heard Hanna (the descendant) on the phone and when she told me about her grandfather," he said. "Although her family was treated so badly she was very friendly and didn't hold me responsible for anything." But while pleased to hear her version of events, Edelmann says he still has doubts about his grandfather. "I know my grandfather was a very good businessman. When he was a student during the 1920s he was already a member of the Nazi party, which was before Hitler came to power. "So I don't believe he was such a good man, I'm not 100% convinced. I doubt he didn't take advantage of the situation." Edelmann feels that coming to terms with the past is an important lesson for his children, in particular his 15-year-old son, Finn, who started learning about Germany's Nazi past in high school last year.

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