Edmund
Halley (1656–1742),
English astronomer, best known for his
study of comets. He concluded that the comets of 1531, 1607, and 1682 were in
reality a
single body and accurately predicted its
return in 1758. The comet has since been known as
Halley's Comet.
—HDA Tapes (Oakland Lectures) Approved Glossary (16.4.92)