Violet S. Williams

American geneticist

American ornithologist

American entomologist

Entomologist

American author, scientist and researcher

American zoologist, marine biologist, scientific illustrator and poet

Entomologist, educator and author

American entomologist

American zoologist

American conchologist and former Curator of Geology at Stanford University

American biologist

American entomologist

American carcinologist

American herpetologist, museum curator and magazine editor

American zoologist

Entomologist, missionary, teacher

American entomologist

American botanist and botanical collector

American naturalist, entomologist and gardener

American ornithologist, author