Conversation so far:
What is Lovecraft Circle?
The Lovecraft Circle is a group of writers and friends linked via the correspondence of H.P. Lovecraft, who help one another to succeed in the pulp field.
Who was in the Lovecraft Circle?
Members of the Lovecraft Circle included Clark Ashton Smith, August Derleth, and E. Hoffmann Price.
Did Robert E. Howard use the Lovecraft Circle to advance his career?
The Lovecraft Circle encouraged the members to share stories, utilize each other's invented fictional trappings, and help each other succeed in the pulp field.
Was the Lovecraft Circle responsible for helping him?
The Lovecraft Circle encouraged the members to share stories, utilize each other's invented fictional trappings, and help each other succeed in the pulp field.

Question: What else can you tell me about Robert Howard?
Self-contained rewrite: What else can you tell me about Robert E. Howard?