Conversation so far:
When did Robert Owen return to Britain?
In 1828, Robert Owen returned to the United Kingdom and settled in London, where he continued to be an advocate for the working class.
Where was Robert Owen living before returning to London in 1828?
Robert Owen and his son, William, sailed to America in October 1824 to establish an experimental community in Indiana
What happened to Robert Owen in 1832
In 1832, Robert Owen opened the National Equitable Labour Exchange system
What did the National Equitable Labour Exchange proposed by Robert Owen in 1832 do?
Robert Owen's National Equitable Labour Exchange meant the exchange of goods was effected by means of labour notes; this system superseded the usual means of exchange and middlemen
What notable person is involved with Robert Owen's Utopia communities in the USA?
William Allen, a well-known Quaker, was involved with Robert Owen's utopia communities in the USA
What happened between Robert Owen and William Allen?
After an extended period of friction with William Allen and some of his other business partners, Robert Owen relinquished all connections to New Lanark

Question: name the other business partner
Self-contained rewrite: Name the other business partner with Robert Owen's mill besides William Allen?