Peter Maurin was a French social activist and co-founder of the Catholic Worker Movement. Born in 1877, he immigrated to the United States in 1909. Maurin was known for his commitment to social justice, advocating for the poor and promoting a lifestyle of simplicity and community living. He believed in the importance of education and dialogue, often organizing discussions and workshops to spread his ideas. Maurin's vision included a society where people could live in harmony, sharing resources and supporting one another. His work continues to influence many in the realms of Catholic social teaching and social activism.