Zoo directors

British evolutionary biologist, philosopher, author (1887–1975)

British naturalist and writer (1925–1995)

German naturalist (1829-1884)

British zoologist (1863–1947)

German zoo director and author (1909–1987)

British zoologist (1812-1897)

American animal rights activist

German zoologist and zoo director (1892-1983)

American hunter, animal collector, actor and author (1884–1950)

British zoologist

German biologist (1894-1982)

Russian zoologist (1834-1896)

American conservationist and zoologist (1854–1937)

American zoologist

French zoologist (1884–1957)

Belizean environmentalist

Swiss zoologist (1908-1992)

American silent film actor (1878-1941)

American entomologist and zoo director (1886-1960)

British zoologist

American zoologist (1909-2003)

American zoologist

German zoologist (1814-1884)

Australian zoologist (1856-1923)

German ornithologist and zoologist (1910–1991)

Hungarian plant engineer, politician, animal welfare expert, director of the Nyíregyháza Zoo

Israeli entomologist

German professor (1887–1955)

English zoologist and illustrator (1813-1859)