He was the first American professor of cardiovascular surgery, from 1952 through 1965.

The other two were an American professor and the girl.

The median age of American full professors is currently around 55 years.

He was the first African American professor at the school.

He struck up a conversation with an American professor and his wife that lasted for 15 minutes, until a train arrived.

But then I remembered that the new guest - an American professor - was there.

Arthur Green (born 1941) is an American professor and painter.

"Now that the republic is secure, the French feel free to face its origins," said an American professor.

The college, in addition to sending students to China, will send American professors to lecture there.

An American professor suggested that Europe's reaction might be different if the economies of the developed countries were more stable.