Credit: George Grantham Bain Collection; Restored by Adam Cuerden
Dame Ethel Mary Smyth, DBE 22 April 1858 – 8 May 1944) was an English composer and a member of the women's suffrage movement. Her compositions include songs, works for piano, chamber music, orchestral works, choral works and operas.

She first studied privately with Alexander Ewing when she was seventeen. He introduced her to the music of Wagner and Berlioz. After a major battle with her father about her plans to devote her life to music, Smyth was allowed to advance her musical education at the Leipzig Conservatory, where she studied composition with Carl Reinecke. She left after a year, however, disillusioned with the low standard of teaching, and continued her music studies privately with Heinrich von Herzogenberg. While she was at the Leipzig Conservatory, she met Dvořák, Grieg and Tchaikovsky. Through Herzogenberg, she also met Clara Schumann and Brahms.

Smyth's extensive body of work includes the Concerto for Violin, Horn and Orchestra and the Mass in D. Her opera The Wreckers is considered by some critics to be the "most important English opera composed during the period between Purcell and Britten." Another of her operas, Der Wald, mounted in 1903, was for more than a century the only opera by a woman composer ever produced at New York's Metropolitan Opera until Kaija Saariaho's L'Amour de loin in December 2016.