age ~72
from Afton, VA
Johnny Matheny, who lost his arm to cancer in 2008, is a pioneer of ad...
Johnny Matheny became the first person to take home the world's most a...
The first person to live with a mind-controlled robotic arm is Johnny ...
Does the Continuum Hypothesis have an answer? This question is pointed...
Josh Matheny performs a dobro medley here at The Acoustic Corner. Josh...
Hugh Herr is building the next generation of bionic limbs, robotic pro...