Morgan John Rhys was a Welsh radical evangelical Baptist minister.
He preached the principles of the French Revolution, against slavery, and in favor of the reform of parliament In 1794 he grew tired of the repression in Britain and emigrated to America where he established a Welsh colony, Cambria.
Despite the town's short lifespan, while it was in full bloom in the early years, Rhys established his own religious denomination and a newspaper, The Western Sky.
[2] He would become a prominent physician and one of the founders and first faculty members of Jefferson Medical College.
[6]: 10–11 [7] Morgan Rhees was also the great-grandfather of Nicholas Murray Butler, President of Columbia University.