Do Duncan Campbell and Jeff Mangum have the same nationality?
Duncan Campbell (UB40) Duncan Campbell (born 3 April 1958 in Birmingham) is an English musician and current lead singer of the reggae band, UB40. He joined the band in 2008 after the departure of his brother Ali Campbell.
Dave Duncan (baseball) David Edwin Duncan (born September 26, 1945) is an American pitching consultant for the Arizona Diamondbacks of Major League Baseball (MLB). He is also a former professional baseball catcher and pitching coach. He began his MLB playing career in 1964 and played again consecutively from 1967 to 1976 for the Kansas City/Oakland Athletics, Cleveland Indians, and Baltimore Orioles.