, also known as Dominic of Osma, often called Dominic de Guzmn and Domingo de Guzmn Garcs (1170 August 6, 1221) was the founder of the Friars Preachers, popularly called the Dominicans or Order of Preachers (OP), a Catholic religious order. Dominic is the patron saint of astronomers and the Dominican Republic.,1990)