Hendrix, Marc S.: - Marc S. Hendrix is a geology professor at the University of Montana in Missoula. Growing up in Gettysburg, Pennsylvania, Marc developed an early love of geology. Marc received a bachelor�s degree in geology from Wittenberg University in Springfield, Ohio, a master�s degree in geology and geophysics from the University of Wisconsin, and a PhD in applied earth sciences from Stanford University. He currently lives in Missoula, Montana with his wife and two sons.