professor of natural professor of neurology professor of neuroscience professor of new professor of ophthalmology professor of painting professor of pathology professor of pediatrics professor of pharmacology professor of philosophy professor of photography professor of physical professor of physics professor of physiology professor of piano professor of poetry professor of political professor of political economy professor of politics professor of psychiatry professor of psychology professor of public professor of religion professor of religious professor of rhetoric professor of sculpture professor of social professor of sociology professor of spanish professor of statistics professor of surgery professor of the department professor of the university professor of theology professor of theoretical physics professor of violin professor of zoology professor otto professor park professor paul professor peter professor philip professor pierre professor plum professor position professor proton professor quirrell professor really professor richard professor robert professor robinson professor said professor says professor scott professor seo professor should professor siletsky professor sir professor slughorn professor smith professor snape professor song professor sprout professor stein professor stephen professor steven professor stoddart professor stone professor strange professor then professor thing professor thinks professor thomas professor tim professor told professor told me professor tom professor used professor van professor vince professor von professor walsh professor walter professor wang professor wanted professor wants professor will professor william professor xavier professor yang professor ye professor yoo professor yoon professor young professor zoom professorial professors professors also professors and researchers