Conversation so far:
when was george meany born?
George Meany was born in Harlem, New York City
who were George Meany's parents?
His parents were Michael Meany and Anne Cullen Meany, who were both American-born and of Irish descent.
did he have any siblings?
George Meany was the second of 10 children.
Are there any other interesting aspects about George Meany?
George Meany had a reputation for integrity and consistent opposition to corruption in the labor movement, and strong anti-communism.
what did he do after his job as a plumber?
After being a plumber, George Meany became a full-time union official.

Question: what was his biggest accomplishment?
Self-contained rewrite: what was his biggest accomplishment?