In his role as Adolf Hitler's favourite architect, Albert Speer was a central figure in the Fuhrer's inner circle and helped cement his position in power.
As one of their most controversial scientists, Heisenberg was key in the Nazis' efforts to build an atomic bomb. How close was he to achieving his goal?
Hans Kammler's fingerprints can be found all over the Third Reich's most prestigious and deadly engineering projects, including rockets and concentration camps.
Fritz Todt was the man tasked with engineering projects including the autobahn, the West Wall defences and more. But in 1942, he died under mysterious circumstances.
