Roger de Lessert
Roger de Lessert (11 September 1878 – 1945) was a Swiss zoologist and arachnologist. He published extensively on spiders, particularly of the Afrotropical region. He described a large number of species and several are named in his honour including the genera Lessertia Smith, 1908 (Linyphiidae), Lessertina Lawrence, 1942 (Eutichuridae), Lessertinella Denis, 1947 (Linyphiidae) and Pellolessertia Strand, 1929 (Salticidae).