Robert Granville Caldwell | |
|---|---|
 Caldwell pictured in 1918 | |
| Born | 1898 |
| Died | 1976 |
| Citizenship | United States |
| Alma mater | College of Wooster |
Robert Granville Caldwell (1882–1976) was an American historian, author, and diplomat who served as Envoy Extraordinary and Minister Plenipotentiary of the United States to Portugal and to Bolivia, and held teaching posts at Rice University, MIT, and other institutions.