The professor acknowledged that he had some doubts about moving into the world of diplomacy and administering one of the largest American overseas missions.

So far, the professors acknowledge, their work has had little impact.

There is no question, the professor acknowledged, that among Muslims today "the trend, unfortunately, is exactly towards extremism."

The professor acknowledged that majoring in radio drama may not be a sure ticket to success.

Many students and professors here acknowledged that their own politics were conservative.

The professor applauded the student's attention to structure and grammar and acknowledged her point: "Yes, they are long and annoying," he said.

But there may be a bit more rivalry than the professors acknowledge.

Even our professors acknowledge his prominence.

The professors acknowledge that the contract may seem too bizarre to be the basis of serious research.

The professor acknowledges the point, but insists again that political will must overcome even the most "natural" tendencies: "I'm not talking about blame, Jesse.