Conversation so far:
When did he partner with William Shaw?
During his travels, blacksmith James Black had befriended Elijah Stuart. Stuart opened a tavern at Washington and Black was hired by a local blacksmith named William Shaw.
What were blacksmith James Black and William Shaw's accomplishments?
Blacksmith James Black would later become a partner in the business with William Shaw.

Question: What was the tavern famous for?
Self-contained rewrite: What was the Elijah tavern famous for?