Dave TuckerDavid Tucker lives in Bellingham, Washington. He has a master's degree in geology and is a research associate in the geology department at Western Washington University. He is also a director of the Mount Baker Volcano Research Center, an all-volunter nonprofit organization that raises funds to support research at the active volcano and educate the public about the mountain's volcanic. Tucker has been mapping Baker's geology since the mid-1990s, in particular the distribution of volcanic ash deposits. He leads public field trips and gives presentations about the geology of northwest Washington, and he is the author of a popular blog, Northwest Geology Field Trips (http: //nwgeology.wordpress.com/). Read More Read Less