Conversation so far:
What was Stephen Crane's style?
Stephen Crane wrote notable works in the Realist tradition as well as early examples of American Naturalism and Impressionism.
Who were Stephen Crane's influences?
Stephen Crane was influenced by Impressionism, war and death, as well as fire, disfigurement, fear and courage.

Question: Were there any specific people who influenced him?
Self-contained rewrite: Were there any specific people who influenced Stephen Crane?