Sarah Louise Delany, American author and educator (b. 1889)
Sarah Louise "Sadie" Delany (September 19, 1889 – January 25, 1999) was an American educator and civil rights pioneer who was the subject, along with her younger sister, Elizabeth "Bessie" Delany, of the New York Times bestselling oral history biography, Having Our Say: The Delany Sisters' First 100 Years, by journalist Amy Hill Hearth. Sadie was the first African-American permitted to teach domestic science at the high-school level in the New York public schools, and became famous, with the publication of the book, at the age of 103.