The full name of J. M. Synge is-

• J. M. Synge, in full John Millington Synge, leading figure in the Irish literary renaissance, a poetic dramatist of great power who portrayed the harsh rural conditions of the Aran Islands and the western Irish seaboard with sophisticated craftsmanship.• His Notable Works: - Deirdre of the Sorrows,- In the Shadow of the Glen,- Riders to the Sea,- The Aran Islands,- The Playboy of the Western World.Source: Encyclopaedia of Britannica.