Later, he was Registrar General and President of the Royal Statistical Society from 1916 to 1918. Mallet was prominent in the Eugenics Society and presided over the World Population Conference, held in Geneva in 1927.
After that, he held the positions of Registrar General and President of the Royal Statistical Society from 1916 to 1918. Mallet was a prominent figure within the Eugenics Society and presided over the World Population Conference held in Geneva in 1927.