Conversation so far:
When did Thomas Eakin's early career start?
Eakins' early career started in 1871.
What kind of works did Eakins produce in his early career?
Eakins' first works upon his return from Europe included a large group of rowing scenes, eleven oils and watercolors.

Question: What was his most popular early career work?
Self-contained rewrite: What was Eakins' most popular early career work?