Sarah Robinson‐Duff

Sarah Robinson-Duff (May 1, 1868 – May 11, 1934) was an American operatic soprano and celebrated voice teacher of many important opera singers, including Mary Garden and Alice Nielsen. She wrote the vocal pedagogy book Simple Truths Used by Great Singers (1919) which was based in the tradition of Robinson-Duff's teacher, Mathilde Marchesi. She is considered one of the most important American voice teachers of the late 19th and early 20th centuries.