 He also taught Latin, Greek and Latin at the Foster School in Litchfield, Connecticut.From 1918 to 1919, he served as the executive secretary of the American Red Cross Commission to Palestine (now known as Israel), where he was based in Jerusalem.In 1920, Sanborn was on an expedition to the tomb of Merenptah with Eckley Brinton Coxe, Jr. and Clarence Stanley Fisher, where they found Moses's throne.