Career
Richthoff was born to a fisherman in a family of six, and trained in football and athletics before changing to wrestling. Later that year he became the first wrestler to receive the Svenska Dagbladet. In 1933 he returned to Sweden to prepare the national wrestling team to the 1936 Olympics, and continued to wrestle professionally until age 49.
Richthoff was a Free Church preacher who campaigned against alcoholism.
He was also active in music, literature and chess.