dualism. 1  the state of being dual or consisting of two parts; division into two. 2  Philosophy. the view that there are just two mutually irreducible substances. 3  Theology. the doctrine that there are two independent divine beings or eternal principles, one good and the other evil. the belief that a human being embodies two parts, as body and soul.
Thomas Sully was an early American painter, born in Lincolnshire, England. He immigrated to the United States with his parents at the age of nine, and as a young man initially worked for an insurance broker in Philadelphia. However, Sully was passionate about art and when he was 16, Sully joined his brother, a miniaturist, in Virginia.
Chesley Burnett Sully Sullenberger III (born January 23, 1951) is a retired American airline captain celebrated for the January 15, 2009 water landing of US Airways Flight 1549 on the Hudson River off Manhattan after the plane was disabled by striking a flock of Canada geese immediately after takeoff; all 155 people aboard survived.