Dr. Greg Brick PhD.
Dr. Greg Brick has published more than 100 articles about caves and was the recipient of the 2005 National Speleological Society Award in Cave History. His first book, Iowa Underground: A Guide to the State’s Subterranean Treasures, was published in 2004. His latest book, Subterranean Twin Cities, was published by the University of Minnesota Press in 2009. His work has been featured in National Geographic Adventure magazine as well as on the History Channel.