In his book "Nazi Billionaires: The Dark Histories of Germany's Wealthiest Dynasties," journalist David de Jong examines the postwar denazification process in Germany and highlights the involvement of top industrialists and their heirs in supporting the Nazi regime.

David de Jong, a journalist for the Dutch Financial Daily, delves into the topic of Nazi Germany's wealthy industrialists and their heirs in his book "Nazi Billionaires: The Dark Histories of Germany's Wealthiest Dynasties."