Is his claims baseless or grounded in reality based on accurate historical data? https://translate.google.com/translate?sl=auto&tl=en&u=https%3A%2F%2Fde.wikipe

Is his claims baseless or grounded in reality based on accurate historical data? https://translate.google.com/translate?sl=auto&tl=en&u=https%3A%2F%2Fde.wikipedia.org%2Fwiki%2FHelmut_Kentler https://translate.google.com/translate?sl=auto&tl=en&u=https...