Paul F Walker trained in graphic communication where he specialized in illustration. Afterwards, he moved into adult education where he taught fine art, photography, digital imaging, animation and illustration. He has given lectures in armour and weapons as an historical interpreter for English Heritage, and various other groups, specializing in the development of armour as well as the chivalric roles of the medieval Knight. He has a lifelong interest in historical warfare and its politics, which played a huge role in the evolution of miltiary advancement.