There was once a time when art history and film were basically the same medium, but art history is frozen in late-19th-century technology that has survived into the early 21st century.

Nelson (1853–1892) British Army officer and African explorer
Robert Nelson (filmmaker) (1930–2012) San Francisco-based experimental filmmaker
Robert Frederick William Robertson Nelson (1888–1932) British Member of Parliament for Motherwell 1918–1922
Robert Nelson (cricketer) (born 1970) English cricketer.