These drawings and prints of Fritz Haber explore how our opinions are formed and challenged by new and incomplete information, and also what information we should value. To help experience that, these portraits were originally issued as trading cards. The varied styles and content reflect a life of vast contradictions, a life inspiring pity, respect, admiration, loathing and disgust. Today, billions rely on Haber’s Nobel Prize winning science to eat and live, but on 22 April 1915 at Ypres he also unleashed the horror of modern gas warfare. In our time of commemoration and conflict it’s timely to reflect on Haber's legacy and the morality of patriotism.