Dorothy Donnelly (January 28, 1880 - January 3, 1928) was an actress, playwright, librettist, producer and director. After a decade-long acting career that included several notable roles on Broadway, she turned to writing plays, musicals and operettas, including more than a dozen on Broadway including several long-running successes. Her most famous libretto was The Student Prince (1924), in collaboration with composer Sigmund Romberg. - Wikipedia

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