From NKAA, Notable Kentucky African Americans Database (main entry)
Whittaker, Richard Salinthus(born: 1881 - died: 1977) Kentucky native Dr. Richard S. Whittaker, a physician and surgeon, was founder of the Dunbar Hospital in Los Angeles, CA, in 1924. The facility was managed by Dr. Richard S. Whittaker, his brother Dr. J. T. [James Thomas] Whittaker (1876-1934), and Dr. Charles S. Diggs (1875 -1938) who was born in Mississippi. The hospital served the African American community in Los Angeles for 14 years; it was closed after the death of Dr. Diggs in 1938. Dr. Richard S. Whittaker then returned to his private practice and he was on the staff of Angeles Hospital and the Rose-Netta Hospital that was founded by Kentucky native Dr. N. Curtis King.
Dr. Whittaker was born in Carrollton, KY, the son of Scott and Cecelia Whittaker. He was the husband of Esther King Whittaker and the father of James Salinthus Whittaker (1912 -1938) who was a mortician. Dr. Whittaker's education began in a colored school in Carroll County, KY, and he was a 1904 graduate of a college in Louisville (probably Simmons University) where he earned an A.D. degree, and he earned his M.D. at the Louisville National Medical College. He completed three months of post-graduate studies at Howard University. His first practice was in Kansas where several members of the Whittaker family had moved.
His brother Dr. J. T. Whittaker is listed in the 1905 Kansas State Census for the town of Coffeyville. His parents, Scott and Cecelia Whittaker, and sister Mary, are listed in the 1915 Kansas State Census for Coffeyville. All of the family members were born in Kentucky, according to the 1900 U.S. Federal Census when the family of seven was living in Owen County, KY, [Richard Whittaker's first name is given as "Robert"]. Dr. Richard S. Whittaker and his wife Esther were living in Coffeyville in 1910, according to the U.S. Federal Census [Dr. Whittaker's first name is again listed as "Robert]. The couple is also listed in the 1915 Kansas State Census along with their 3 year old son (b.1912). Both Esther and the child were born in Kansas.
In 1922, Dr. Whittaker moved his practice and family to Pasadena, CA, then on to Los Angeles, CA, in 1923. Dr. Richard S. Whittaker was a member of several organizations including Sigma Pi Phi, Knights of Pythias, National Medical Association, and the NAACP. He died in Los Angeles on February 15, 1977. For more information see Dr. Richard Salinthus Whittaker on p.31 of Negro Who's Who in California, 1948 edition.