Émile Dottrens (21 July 1900 – 29 September 1990) was a Swiss zoologist and nature conservationist.
Johann Büttikofer
Dr. Johann Büttikofer (9 August 1850 – 24 June 1927) was a Swiss zoologist.
Heini Hediger
Heini Hediger (30 November 1908 – 29 August 1992) was a Swiss biologist noted for work in proxemics in animal behavior and is known as the "father of zoo biology".
Jean Roux
Jean Roux (March 1876, Geneva – 1 December 1939) was a Swiss herpetologist.
Samuel Emanuel Studer
Samuel Emanuel Studer (1757–1834) was a Swiss malacologist.
Victor Fatio
Victor Fatio (28 November 1838 – 19 March 1906), was a Swiss zoologist.
Charles Immanuel Forsyth Major
Charles Immanuel Forsyth Major (August 15, 1843, Glasgow – March 25, 1923, Munich) was a Swiss zoologist and vertebrate palaeontologist.
Fritz Müller (doctor)
Fritz (Friedrich) Müller (8 May 1834 – 10 March 1895) was a Swiss doctor, zoologist, and herpetologist.
François Jules Pictet de la Rive
François Jules Pictet-De la Rive (27 September 1809 – 15 March 1872) was a Swiss zoologist and palaeontologist.
Adolf Naef
Adolf Naef (1 May 1883 – 11 May 1949) was a Swiss zoologist and palaeontologist who worked on cephalopods and systematics.
Eduard Heinrich Graeffe
Eduard Heinrich Graeffe or Gräffe (27 December 1833, Zurich – 23 April 1916 Ljubljana) was a Swiss zoologist and naturalist.