Kurš datēja Charles Robert Drysdale?

Charles Robert Drysdale (1829 – 2 December 1907) was an English engineer, physician, public health scientist, and supporter of birth control. He was the first President of the Malthusian League and he published books on a variety of topics including population control, syphilis, the evils of prostitution and the dangers of tobacco smoking.

Alice Vickery, également connue comme A. Vickery Drysdale ou A. Drysdale Vickery (1844 – 1929) est une médecin britannique.