Around 750 professors have registed their presence on knol so far. Education is a popular category on knol. Some of the professors are in the top 10 knol authors based on most number of visitors and pages viewed.
If many professors get into the routine of writing articles on the concepts that they teach, number of knols will increase rapidly and also visitors will increase as many students start visiting the site following their professors.
Some of the names of professors are listed in a knol