Bob Wills (1905 to 1975). The King of Western Swing and the first National Fiddler Hall of Fame inductee.
Why this player is listed
Bob Wills appears in the Play Bluegrass guide to notable fiddle players, which collects contest champions, bluegrass fiddlers, Canadian fiddlers, judges, and departed legends tied to the tradition.
More fiddle context
For the larger list, start with the big list of fiddle players. For the style itself, read the guide to bluegrass fiddle.