Elisabeth Bauer wrote:
* the mediocre persons with credits. Someone really
knowledgeable in a
field doesn't have to cite his credentials to gain respect in the
wikipedia community, his contributions speak for him. If you have to
refer to your credits in an argument instead of citing sources and use
arguments, there's something wrong.
Not necessarily. There are times when, apart from saying "please read
the basic textbooks on this area, I can't give you 4 years of courses in
an email reply", the only thing you can use are your credentials.