He also published studies on the exact length of rope required to hang a man (without decapitating him) and on the statistical efficacy of prayer (concluding that it did not work). His greatest achievement, however, was yet to come: Galton soon produced a map of the "European Belt of Ugly Women." It started in Germany and ended right at home -- in England.
[While studying the Ovampe tribe, Galton was "accidentally" married to the king's daughter. Galton realized it was time to split -- when his blushing bride showed up on her wedding night covered in "reed ochre and butter."]