Sadakichi Hartmann was born in Japan in 1867, the second son of Prussian businessman Carl Hartmann and a young prostitute, Osada. Upon her death shortly after Sadakichi’s birth, both boys were sent to Hamburg, Germany to live and be educated, as promised by Hartmann Senior to their mother on her deathbed. With this act of kindness, their father completely washed his hands of any further obligation to the boys. He ignored them completely as he continued his profession traveling the world over as a business rep for various corporations. Their father’s rare appearances, and gelid...