Acting
John Gill (born 16 Feb 1937) is an American mathematician who has achieved recognition for his rock-climbing. He is widely considered to be the father of American bouldering.
High And Mighty
2015
Disciples of Gill
2009
Brave New Wild
2014
Rocky Mountain Highball
2010
Friction Addiction
2003
The Silent Climber
1976
Bachar: Man, Myth, Legend
2005
Blocheads
2016
John Gill Across Time
The Best of Horsetooth Reservoir Bouldering
Upward Bound
On the Rocks