American Anti-Vivisection Society / Historically / People for the Ethical Treatment of Animals (PETA) / American Society for the Prevention of Cruelty / Massachusetts Society for the Prevention of Cruelty / Humane Society of the United States / Animal Liberation / Pennsylvania Society for the Prevention of Cruelty / /
Person
Caroline Earle White / Peter Singer / Henry Bergh / Helen Jones / William Blake Beers / Rachel Carson / /
Position
author / social historian / Parent-Teacher / activist / /