Education
Barker was educated in Edinburgh during which time he got to know Sir Walter Scott.
Barker was educated in Edinburgh during which time he got to know Sir Walter Scott.
Born in Waterford, Barker was one of six children of William Barker (1731-1788) and Elizabeth Barker (née Acheson). He graduating as an Doctor of Medicine in 1795, with his thesis studying the work of Galvani that suggested the presence of nervous fluid with dynamical electricity. Barker established what is believed to be the first fever hospital in Ireland in 1810.
He was Professor of Chemistry at Trinity College, Dublin (1808-1850), and Secretary to the Irish Board of Health (1820-1832).
Barker married Emma (née Conolly), the daughter of the vicar of Donard, Company Wicklow in 1804.