In The Week, Damon Linker on Trumpy intellectuals
Martin Heidegger's decision to embrace the National Socialist movement is the most notorious case of political malfeasance on the part of a philosopher in a century filled with competing examples. The Heidegger case belongs in a separate category both because of the execrable moral status of the movement and its leader, and because of the thinker's status as arguably the greatest philosopher of the 20th century.
Ernst Krieck died in custody in 1946. Alfred Rosenberg was tried and executed at Nuremberg. So for the people who fought the Nazis, MH was small potatoes when they ranked Nazi philosophers; best handled by local de-Nazification authorities. His current notoriety is proportional to his greatness.