Edgar Leopold Layard

British entomologist

Irish entomologist

English zoologist and pharmacist

British politician

British ornithologist

German ornithologist

British ornithologist

Dutch bird artist

Hungarian ornithologist, painter

American explorer, ornithologist and bird collector

German-American Evolutionary Biologist

British zoologist

British army officer and zoologist

British entomologist

British zoologist and collector

British zoologist

Civil servant, political reformer and amateur biologist

English zoologist and ornithologist

French scientist

British scientist

English physician, naturalist and author

English ornithologist and illustrator

British naturalist, South African biologist

Australian ornithologist

English ornithologist, author and museum curator

French naturalist and collector

Danish illustrator

English banker, politician, and amateur ornithologist (1819–1890)

Scottish-Australian ornithologist and writer

English zoologist and marine biologist

English lepidopterist, entomologist and ornithologist

Polish ornithologist

British scientist

Massachusetts ornithologist

South African zoologist

Biologist

Ornithologist, amateur golfer

English writer

English novelist (1815-1882)

British writer

English-born comedian and actor in America

British author and scholar

British secularist, co-operator, and newspaper editor