Paul H. Koch is a German historian and author, born in Hamburg in 1953. He is known for his expertise in social and group dynamics, with a particular focus on secret societies and their historical influence. His works often delve into topics such as the Illuminati and similar organizations, exploring their impact on history and culture. Among his notable publications are Illuminati (2004) and La Historia Oculta del Mundo (2007), which discuss hidden histories and secretive societal behaviors.