Louis Francis Albert Victor Nicholas Mountbatten was born Prince Louis of Battenberg on June 25, 1900. He was an uncle of Prince Philip, and second cousin once removed of Queen Elizabeth II. Mountbatten married Edwina Cynthia Annette Ashley in 1922. They were photographed by Karsh in 1943, the same year Karsh photographed then-Princess Elizabeth and His Majesty King George VI.

Karsh photographed approximately 300 people in 1943 – see a list of all of the sitters.