Josh Graves (September 27, 1927 Tellico Plains, Monroe County, Tennessee – September 30, 2006), born Burkett Howard Graves, was an American bluegrass musician. Also known by the nicknames "Buck," and "Uncle Josh," he is credited with introducing the dobro into bluegrass music shortly after joining Lester Flatt, Earl Scruggs and the Foggy Mountain Boys in 1955. He was inducted into the International Bluegrass Music Hall of Honor in 1977. Wikipedia
The definitive Wikipedia entry for Josh Graves. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Josh_Graves
Josh Graves is one of the main people responsible for the acceptance and popularity of the Dobro in bluegrass and country music. www.well.com/user/wellvis/graves.html