For Grass, he may have been condemned for actions at a young age. For Heidegger, he was in his 40s and 50s during the Nazi regime. Also, I would recommend read

For Grass, he may have been condemned for actions at a young age. For Heidegger, he was in his 40s and 50s during the Nazi regime. Also, I would recommend reading up on what he did to Husserl. A book that goes into detail about Heidegger's actions during World War II is here [1]. [1] https://en.wikipedia.org/wiki/At_the_Existentialist_Cafe https://en.wikipedia.org/wiki/At_the_Existentialist_Cafe