The phrase "a number of professors" is correct and usable in written English.
It can be used when referring to several professors collectively, often in the context of discussing their opinions, actions, or contributions.
Example: "A number of professors attended the conference to share their research findings."
Alternatives: "several professors" or "many professors".
Mr. Packer, the College Board vice president, said a number of professors and leaders of college history departments had approved the curriculum.
Thirty-one academics, including a number of professors, were also detained for questioning, official media reported, while security officials conducted a raid against the military's Istanbul-based war academy, detaining 40 people.
Beatings at Campus in Gaza GAZA — Hamas police officers and supporters on Monday beat a number of professors and students of Al Azhar University, the last bastion of Fatah in Gaza, injuring several, witnesses said.
On one hand, a number of professors and a few residents have grown concerned that the department is allowing the pharmaceutical industry to teach our residents to embrace newer, more expensive drugs.
A number of professors said the most disarming thing of all to students is when they encounter a professor not on a Web page, but in the real world.
N.Y.U. recently opened a campus in Shanghai, and a number of professors are involved in programs and research projects here that could be harmed if they were denied Chinese visas.
As the first person in her family to love words, she has had to fight, like a number of Professor Rahyab's students, for her family's cooperation.
It concerns a course in which smokers receive an intensive training provided by a number of Professor Lytgens' assistants over a period of two months.
At Santa Rosa Junior College he gained recognition for publicly hacking a number of his professors, something he claimed "earned him a few A grades".
Writer recently spent some time with a number of English professors gathered in N.Y. for the annual meeting of the Modern Language Association.
But a number of young professors, especially women, have recently contended that their bids for lifetime academic appointments were derailed by a more slippery fourth factor: collegiality.
