Loyola University Chicago (Loyola or LUC) is a private Jesuit research university in Chicago, Illinois, United States. Founded in 1870 by the Society of Jesus, Loyola is the fourth largest Catholic university in terms of enrollment in the United States. Its namesake is Saint Ignatius of Loyola. Loyola's professional schools include programs in medicine, nursing, and health sciences anchored by the Loyola University Medical Center, and the Loyola University Chicago School of Law. It is classified among "R1: Doctoral Universities – Very high research spending and doctorate production". Comprising thirteen colleges and schools, Loyola offers more than 80 undergraduate and 140 graduate/professional programs and enrolls approximately 17,000 students.