 One of Oberlin's largest employers is the Federal Aviation Administration, which houses the Cleveland Air Route Traffic Control Center overseeing the airspace of six states and a small part of Canada.Towards the middle of the 19th century, Oberlin became a major focus of the abolitionist movement in the United States.The town was conceived as an integrated community and blacks attended Oberlin College from 1835, when brothers Gideon Quarles and Charles Henry Langston were admitted.