Chubby Wise (1915 to 1996). Fiddler on Bill Monroe’s foundational 1940s recordings. As much as anyone, he invented bluegrass fiddle.
Why this player is listed
Chubby Wise 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.