Who is Brandt from Black Cross and what is their importance? Black_Cross_(novel) English & Literature Brandt | Black Cross

Herr Brandt is a doctor. He is also the chemical genius, who created the Sarin and Soman gas for the Nazis at Totenhausen Camp. Brandt is in charge of the prison camp, but he also uses the prisoners as test subjects for his experiments. He uses them to experiment with chemical gases, and he uses the children as test subjects for spinal meningitis. He injects these children with the disease (bacteria) and documents their decline.