Allan Ludman is a Professor in the Department of Earth and Environmental Sciences at Queens College, part of the City University of New York. He has devoted more than four decades to deciphering the evolution of the Northern Appalachians through field and laboratory studies in Maine and New Brunswick. He has taught introductory geology for 40 years and supervised the laboratories at Queens College for the past 35 years. Professor Ludman is also the director of GLOBE NY Metro, a K-12 science teacher development program in the New York area, created to promote hands-on, inquiry-based Earth Systems research for elementary and high-school level teachers and students.