Raised in Des Moines, Greg Borzo is the author of Chicago Cable Cars, Where to Bike Chicago, and The Chicago L."? He is a member of the Iowa Bicycle Coalition and the Des Moines Bicycle Collective, as well as the Active Transportation Alliance in Chicago and the Chicago Tour-Guide Professionals Association. John Karras was a bicycle enthusiast and copy editor at the Des Moines Resgister in 1973 when he co-founded RAGBRAI. Over the next four decades, he nurtured the ride, helping it develop into the world's largest, longest and oldest bicycle touring event. Still involved with RAGBRAI, Karras is the person most responsible for its incredible success."