Dan Plazak

Dan Plazak is a retired geologist and engineer, a graduate--he prefers the term survivor--of Michigan Tech and the Colorado School of Mines. He is the author of a history of swindling in the mining industry, A Hole in the Ground with a Liar at the Top . His principal interest is in oddball topics neglected by other historians. He lives in Denver, Colorado.

Dan Plazak is a retired geologist and engineer, a graduate--he prefers the term survivor--of Michigan Tech and the Colorado School of Mines. He is the author of a history of swindling in the mining industry, A Hole in the Ground with a Liar at the Top . His principal interest is in oddball topics neglected by other historians. He lives in Denver, Colorado. See less