| LORENZ | Konrad, Austrian psychologist and zoologist who founded ethology (6) |
| ALFRED | American biologist and zoologist who founded the Institute for Sex Research at Indiana University in 1947 (6,6) (see 20A) |
| KINSEY | American biologist and zoologist who founded the Institute for Sex Research at Indiana University in 1947 (See 55A) |
| ALFREDADLER | Austrian psychologist and psychiatrist (1870- 1937) |
| FRISCH | Austrian zoologist who wrote The Dancing Bees based on discoveries of honeybee communication/language such as the waggle dance (6) |
| PINKER | Steven, Canadian-American psychologist and author of Enlightenment Now (6) |
| STEVEN | Psychologist and author Pinker (6) |
| DURRELL | Naturalist and zoologist who penned The Bafut Beagles, My Family and Other Animals, Menagerie Manor and The Aye-Aye and I (7) |
| ANIMAL | General word for a living organism whose behaviour is studied in ethology (6) |
| CUVIER | French naturalist and zoologist (1769-1832) |
| FOSSEY | Last name of the US zoologist who, in the 1970s, became the leading expert on mountain gorillas (6) |
| GAZUMP | Leaders of gardeners' and zoologists' unions meet privately to seek a higher offer (6) |
| ADLER | Austrian psychologist who founded the school of individual psychology (5) |
| HERPETOLOGIST | Zoologist who studies reptiles and amphibians (13) |
| ANIMALS | Studied in zoology and ethology, the approximately 8.7 million species of living organisms in a biological kingdom that includes mammals, amphibians and insects (7) |
| WILHELMREICH | Austrian psychologist whose books include The Mass Psychology of Fascism and The Sexual Revolution (7,5) |
| ETHOLOGIST | Zoologist who studies the behavioural patterns of animals in their natural habitats (10) |
| OWENS | Zoologist who wrote the novel Where the Crawdads Sing (5) |
| JUNGFRAU | Summit meeting of psychologist and wife (8) |
| ALEXCROSS | Psychologist and former FBI agent created by James Patterson |
