Zoo owners

Stephen Robert Irwin was an Australian conservationist, environmentalist, zookeeper, television personality, and wildlife educator. Nicknamed the "Crocodile Hunter", he is regarded as an influential figure in Australian popular culture, and as one of the greatest conservationists of all time.

British naturalist and writer (1925–1995)

German animal trader, manager of "Völkerschauen" (human zoos) and zoo director (1844–1913)

American zoo operator, internet personality, and musician

American-Australian zoologist, conservationist and television host

American animal rights activist

British zookeeper (1774-1854)

British zoo owner and gambling club host (1926–2000)

Dutch zoo director

British earl and politician (1894-1969)