He's The Boss.
The Boss. John Allen put up most of the best routes on gritstone. In the 1970s, as a teenager, he sizzled up most of grit's coolest lines and led the charge in what was later called the Gritstone Renaissance. Then in the 1980s he upped the technical standards of the day by styling what are today's prized ticks for any boulderer and high baller.
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iTunes below.