Eck Robertson (1887 to 1975). Made the first commercial country record, Sallie Gooden, in 1922. The founding document of Texas contest fiddling.
Why this player is listed
Eck Robertson 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.