Professor

A professor is a scholarly teacher; the precise meaning of the term varies by country. Literally, professor derives from Latin as a "person who professes" being usually an expert in arts or sciences; a teacher of high rank. In most English-speaking nations professor is reserved for senior academics holding a departmental chair (especially head of the department) at a university, or an awarded chair specifically bestowed recognizing an individual at a university. In the United States and Canada the... [ Read More at Wikipedia ]