After teaching at high schools for several years, he completed his Ph.D. in 1982.

After completing his master's degree, he decided not to complete a Ph.D. in art history.

He completed his Ph.D. from the university in 1902.

In 1992 he completed his Ph.D. in constitutional law from the same university.

He joined the faculty there in 1956 and completed his Ph.D. in 1957.

At the university, Ahmed completed his Ph.D. and they had their first child.

Ten years later he returned to Harvard, completing his Ph.D. in 1907.

He completed his Ph.D. in 26 months, graduating in 1988.

Following the war, he returned to Cambridge, completing his Ph.D. in 1947.

He completed his Ph.D. in 1899 and was made docent in history at the university the same year.