Conversation so far:
What does Dorothy Day's quote all men are brothers mean?
Dorothy Day insisted that the belief that all men are brothers required the Catholic to find the humanity in everyone without exception.
Did Dorothy Day write all men are brothers  in some publication?
In the Catholic Worker in May 1951 Dorothy Day wrote all men are brothers.
What did Dorothy Day write in context of theall men are brothers quote?
Day wrote that Marx, Lenin, and Mao were animated by the love of brother and this we must believe though their ends meant the seizure of power...“
Are there any other interesting aspects about this article on Dorothy Day other than her writings?
The Church has opened the cause for Day's possible canonization, which was accepted by the Holy See for investigation.

Question: Who is Maurin?
Self-contained rewrite: Who is Peter Maurin?