author
Henry Edward Crampton
1875–1956
Best known for bringing evolution out of the classroom and into the field, this American biologist spent decades studying land snails on Pacific islands. He also wrote clearly for general readers, helping early 20th-century audiences make sense of evolutionary science.
1 Audiobook
The Doctrine of Evolution: Its Basis and Its Scope
by Henry Edward Crampton
About the author
Born in New York City in 1875, Henry Edward Crampton was an American evolutionary biologist and malacologist who specialized in land snails. He taught at Columbia University and Barnard College, and he became especially known for long-term research on the snail genus Partula in the Society Islands, work often described as one of the first major studies of evolution in nature.
Crampton made repeated expeditions to Moorea near Tahiti and devoted many years to measuring, comparing, and cataloguing specimens. Alongside his scientific research, he wrote books that explained evolution to wider audiences, including The Doctrine of Evolution: Its Basis and Its Scope. His writing helped connect specialist science with curious general readers.
He died in New York City in 1956. Today he is remembered both for careful field-based evolutionary research and for presenting big scientific ideas in a direct, accessible way.