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Welsh author, physician and metaphysical poet

Welsh baronet, physician and principal founder of the National Library of Wales

veterinarian, army officer and public servant

Priest, scribe, lexicographer, physician

Welsh-Italian physician

British cardiologist

Poet

Physician

Royal Air Force air marshal

Welsh veterinary surgeon

British immunologist and former vice-chancellor of Cambridge University

Welsh doctor and poet

Welsh physician.

Welsh physician and naturalist

Welsh mathematician and inventor of the symbol '='

Welsh politician and physician

Welsh nonconformist preacher and doctor

Lieutenant-governor of provincial Pennsylvania and Quaker preacher

Welsh geologist

Welsh physician and writer

Physician to Elizabeth , widow of Edward IV , Margaret Countess Richmond and Henry Tudor

Welsh physician

Welsh drummer

Welsh cleric, inventor and physician, died 1709

Australian paediatric physician

Physician and apothecary

Welsh physician

Welsh physician

Welsh physician

Welsh under-secretary, Ministry of Housing and Local Government

Physician

Welsh physician and Medical Officer of Health

Welsh Principal of Brecon Memorial College

Researcher

Welsh bone-setter

Physician, poet, musician and fisherman

Surgeon and physician

Doctor of Llandderfel

Doctor, author and historian