About the Author

boulderdad
John Gill
boulderdad
Blurbarian Since September 2008
Name John Gill
My Web Site www.johngill.net
Location Pueblo West, Colorado
Gender Male
My Occupation Retired mathematics professor
My Bio A longtime boulderer and rock climber who has researched the origins of these sports.

Blurb Sites

© 2014 Blurb