Henry Carvill Lewis

German mineralogist and petrologist at Heidelberg University

American geologist

American geologist and educator, founder of the Journal of Geology

American geologist

British geologist and minister

British medium

American archaeologist and naturalist

Australian-born psychical researcher

British feminist

French physiologist and parapsychologist

Jersey parapsychologist

British medium

Scottish geologist

Swedish scientist

British clergyman and spiritualist medium

Trance medium

British psychical researcher and writer on hypnotism

British Roman Catholic priest, academic, writer

British politician

Italian spiritualist

German astrophysicist

English philosopher

British parapsychologist

American professor of philosophy, psychologist, and psychical researcher

English-American engineer, ecologist, and conservationist

English physicist and parapsychologist

Scottish physician and writer

American spiritual medium

American spiritualist

American philosopher

Irish spiritualist

British author and journalist

Hungarian psychologist

American magician

English poet and essayist

British physicist

British medium

French psychic

British writer

Dutch bird artist

British naval officer and psychic researcher

American parapsychologist