Relativity

23 March 1897 – 30 March 1995

John Lighton Synge FRSC FRS was an Irish mathematician and theoretical physicist whose long career included significant periods in Ireland, Canada, and the USA. He was a prolific author and influential mentor, and is credited with the introduction of a new geometrical approach to the theory of relativity. During his long scientific career, Synge published over 200 papers and 11 books. He proved the result now known as Synge's theorem, which concerns the topology of closed orientable Riemannian manifold of positive sectional curvature. Synge was born in Dublin, Ireland, into a prominent Church of Ireland family (his uncle, John Millington Synge, was a famous playwright). He attended St. An…