image article_title name known_for
herb - 1.jpg & jan conn - unclimbed-1 - 1959 july jan and herb conn
 jan and herb conn pioneer rock climbers and cavers
jan and herb conn

jan conn -lrb- born c. 1924 -rrb- and herb conn -lrb- april 16 , 1920 - february 1 , 2012 -rrb- were climbing and caving pioneers .
they are credited with establishing many classic climbs in areas like carderock in maryland , seneca rocks in west virginia , cannon cliff in new hampshire and black hills of south dakota .
they are also well known as cave explorers who in 1960s and 70s discovered and mapped over 60 miles of jewel cave , making it the world 's third longest cave system .
