. . . "Otto B\u00FCtschli"@en . "1920-02-02Z"^^ . . "Johann Adam Otto B\u00FCtschli (3 May 1848 \u2013 2 February 1920) was a German zoologist and professor at the University of Heidelberg. He specialized in invertebrates and insect development. Many of the groups of protists were first recognized by him."@en . . . "1848Z"^^ . . "1848-05-03Z"^^ . . . "German biologist" . . . "1920Z"^^ . . "Butschli, Otto"@en . .