Lyndon Johnson actually said...
You have had many titles, Mrs. Bunting--'Doctor,' 'President,' certainly not the least of which is 'Mother,' but it is a very high and a very satisfying privilege to me to greet you now by your newest title and salute you as Commissioner Bunting.
Context
Remarks at the Swearing In of Dr. Mary I. Bunting as a Member of the Atomic Energy Commission.
06/28/1964