1) my list:
Anderson, Poul
Burroughs, Edgar Rice
Carter, Lin
de Camp, L. Sprague
Dunsany, Lord
Farmer, P. J.
Howard, R. E.
Leiber, Fritz
Lovecraft, H. P.
Moorcock, Michael
Norton, Andre
Offutt, Andrew J.
Saberhagen, Fred
Tolkien, J. R. R.
Vance, Jack
Zelazny, Roger
Several of the authors cited...