| HAECKEL | Ernst ___, 19th-century German zoologist and naturalist (7) |
| CUVIER | French zoologist and naturalist who founded the sciences of palaeontology and comparative anatomy (6) |
| MOMMSEN | Theodor ___, 19th-century German historian noted for his History of Rome (7) |
| HEINKEL | Ernst _, German aircraft designer and member of the Nazi party (7) |
| RAFFLES | With an ant, butterfly fish, horse race, woodpecker and the world's largest flower named after him, a statesman and naturalist who founded Singapore, the Zoological Society of London and London Zoo (7 |
| DURRELL | Gerald _; British zoologist and writer (7) |
| DAIMLER | Gottlieb ---, 19th Century German automotive pioneer (7) |
| BUNSEN | Robert ___, 19th-century German chemist; co-discoverer of caesium and rubidium (6) |
| COHN | Ferdinand ___, 19th-century German botanist and biologist credited with founding the science of bacteriology (4) |
| LIEBIG | Justus ___, 19th-century German chemist who founded agricultural chemistry (6) |
| REUTER | Paul ___, 19th-century German telegrapher who founded a news agency in London (6) |
| BAEDEKER | Karl ___, 19th-century German publisher of a series of travel guidebooks |
| BRAHMS | Johannes _, 19th-century German composer (6) |
| SCHUMANN | Robert _, 19th-century German romantic composer (8) |
| MACH | Ernst ____ worked on supersonic fluid mechanics in the 19th century |
| GERALDDURRELL | British zoologist and writer whose books include My Family and Other Animals (6,7) |
| VOSS | 1957 novel by Patrick White based upon the life of the 19th-century Prussian explorer and naturalist Ludwig Leichhardt |
| SIR | Artist, yachtsman and naturalist, a founder of the Wildfowl and Wetlands Trust and the World Wide Fund for Nature (3,5,5) |
| PETER | Artist, yachtsman and naturalist, a founder of the Wildfowl and Wetlands Trust and the World Wide Fund for Nature (3,5,5) |
| SCOTT | Artist, yachtsman and naturalist, a founder of the Wildfowl and Wetlands Trust and the World Wide Fund for Nature (3,5,5) |
