Johns Hopkins, a university dedicated to advancing the state of human knowledge through research, opened its doors in Baltimore in 1876. A world leader in education, research, and patient care, the university is made up of professors that mentor top students in subjects including engineering, health, business, and the arts. The university proudly shares OpenCourseWare from the Johns Hopkins School of Public Health, which makes selected course material including lectures, assignments, and outlines available for free online. Popular courses focus on health, medicine, science, and genetics.