She received her PhD from the same department in 1998.

He received his PhD from the same department in 1982.

He received his PhD from the same university in 1995.

He received a PhD in economy from the same university.

He received a law degree and a PhD in political science.

At the age of 22 he received both his university degree and PhD.

In 1969 he received a PhD from the same institution.

In 1988, she graduated from the same department and received her PhD.

As well, he continued to take classes, receiving his PhD in 1917.

He received a PhD in international relations from the same university in 1977.