Daniel Sedgley Mitchell is a famous photographer best known for his series of stereoscopic views of the Black Hills in 1876, his Indian portraits from the Red Cloud Agency in 1877, and his photographs of the Oklahoma Land Rush in 1889.
Born in 1838 in York County, Maine, Mitchell began his photographic career as an errand boy in a daguerreotype gallery in Maine at the age of nine. During his early years he worked in a number of photographic galleries, ranging from New York City to Boston to Canada.