Stephen Sondheim's 1984 musical is called "Sunday in the Park with..." who?

"Sunday in the Park with George" is a musical with music and lyrics by Stephen Sondheim and book by James Lapine. It was inspired by the French pointillist painter Georges Seurat's painting "A Sunday Afternoon on the Island of La Grande Jatte". The plot revolves around George, a fictionalized version of Seurat, who immerses himself deeply in painting his masterpiece, and his great-grandson (also named George), a conflicted and cynical contemporary artist. The Broadway production opened in 1984.

Stephen Joshua Sondheim (born March 22, 1930) is an American composer and lyricist. One of the most important figures in 20th-century musical theater, Sondheim has been praised for having “reinvented the American musical" with shows that tackle "unexpected themes that range far beyond the traditional subjects" with "music and lyrics of unprecedented complexity and sophistication." His shows have been acclaimed for addressing "darker, more harrowing elements of the human experience," with songs often tinged with "ambivalence" about various aspects of life.