Sven Olof Swartling

Sven Olof Swartling and Pete Mayer are avid climbers and members of the Chicago Mountaineering Club. Swartling lives in Middleton, Wisconsin, and has climbed at Devil's Lake for more than fifty years. Mayer is an engineer who lives in Green Bay, Wisconsin, and brings his technological expertise to this edition.

Sven Olof Swartling and Pete Mayer are avid climbers and members of the Chicago Mountaineering Club. Swartling lives in Middleton, Wisconsin, and has climbed at Devil's Lake for more than fifty years. Mayer is an engineer who lives in Green Bay, Wisconsin, and brings his technological expertise to this edition. See less