Robert Recorde

Robert Recorde
Robert Recorde (c.1512–1558)
Bornc.1510
DiedJune 1558 (1558-07)
London, England
NationalityWelsh
Alma materUniversity of Oxford
University of Cambridge
Known forInventing the equals sign (=)
Scientific career
FieldsPhysician and mathematician
InstitutionsUniversity of Oxford
Royal Mint

Robert Recorde (c.1510 – 1558) was a Welsh physician and mathematician. He invented the equals sign (=) and also introduced the pre-existing plus (+) and minus (−) signs to English speakers in 1557.