| 1 | A | B | C | D |
| --- | --- | --- | --- | --- |
| 2 | List of ambassadors of the United States to Morocco - Heads of the U.S. Embassy at Rabat (1956–present) |  |  |  |
| 3 | Name | Title | Start | End |
| 4 | William J. Porter | Chargé d'Affaires | 1956 | 1956 |
| 5 | Cavendish W. Cannon | Ambassador | 1956 | 1958 |
| 6 | Charles Yost | Ambassador | 1958 | 1961 |
| 7 | Philip W. Bonsal | Ambassador | 1961 | 1962 |
| 8 | John H. Ferguson | Ambassador | 1962 | 1964 |
| 9 | Henry J. Tasca | Ambassador | 1965 | 1969 |
| 10 | Stuart W. Rockwell | Ambassador | 1970 | 1973 |
| 11 | Robert G. Neumann | Ambassador | 1973 | 1976 |
| 12 | Robert Anderson | Ambassador | 1976 | 1978 |
| 13 | Richard B. Parker | Ambassador | 1978 | 1979 |
| 14 | Angier Biddle Duke | Ambassador | 1979 | 1981 |
| 15 | Joseph Verner Reed, Jr. | Ambassador | 1981 | 1985 |
| 16 | Thomas Anthony Nassif | Ambassador | 1985 | 1988 |
| 17 | Michael Ussery | Ambassador | 1988 | 1991 |
| 18 | Frederick Vreeland | Ambassador | 1991 | 1993 |
| 19 | Marc Charles Ginsberg | Ambassador | 1994 | 1997 |
| 20 | Gary S. Usrey | Chargé d'Affaires | 1997 | 1998 |
| 21 | Edward M. Gabriel | Ambassador | 1998 | 2001 |
| 22 | Margaret D. Tutwiler | Ambassador | 2001 | 2003 |
| 23 | Thomas Riley | Ambassador | 2004 | 2009 |
| 24 | Samuel L. Kaplan | Ambassador | 2009 | 2013 |
| 25 | Matthew Lussenhop | Chargé d'Affaires | 2013 | 2014 |
| 26 | Dwight L. Bush Sr. | Ambassador | 2014 | 2017 |

Question: Who was the fifth U.S. ambassador to Morocco and when did they serve?
Answer: John H. Ferguson was the fifth U.S. ambassador to Morocco, and he served from 1962 to 1964.