Conversation so far:
What was Robert Owen's early life like?
Owen left school at the age of ten and was apprenticed to a Stamford, Lincolnshire, draper for four years. He also worked in London draper shops as a teenager.
What year was Robert Owen born?
Robert Owen was born in the year 1771
Are there any other interesting aspects about this Robert Owen article?
Owen coined the slogan: Eight hours labour, Eight hours recreation, Eight hours rest.“
Who were Robert Owen's parents?
His parents were Anne (Williams) and Robert Owen.
What year was Robert Owen born?
Robert Owen was born in the year 1771
is Robert Owen still alive?
He died at Newtown on 17 November 1858, and was buried there on 21 November.

Question: what was his greatest accomplishment?
Self-contained rewrite: what was Owen Robert's greatest accomplishment?