Conversation so far:
Did Clarence influence anyone?
Clarence White helped popularize the acoustic guitar as a lead instrument in bluegrass music. Influential flatpickers Dan Crary, Norman Blake, and Tony Rice cite White as a primary influence.
what were they influenced by?
Prior to the advent of the more aggressive flatpicking style pioneered by guitarists like Watson and White, the guitar was strictly a rhythm instrument, save for a few exceptions.
In what way were they influenced?
The B-Bender device is activated by pushing down on the neck, and produces a pedal steel type sound.
Was he influential in other genres of music as well?
On the electric side of the guitar spectrum, White was similarly influential.
Who did he influence on the electric side?
Arlen Roth and Marty Stuart were guitarists influenced by this electric style.

Question: Was the B-Bender successful?
Self-contained rewrite: Was the Clarence White B-Bender successful?