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Bruce Loeffler grew up in Chappaqua, New York, and frequent visits as a child to the American Museum of Natural History inspired his interest in science. He received a BS in Chemistry from Harvey Mudd College in the Claremont Colleges outside of LA; while at the Claremont Colleges, he took anthropology at Pitzer College, and geology, French literature, music and art history at Pomona College. He applied to PhD programs in chemistry, geology, and anthropology (he was an anthro minor); accepted to programs in all three fields, he opted to study geochemistry at M.I.T. and Harvard. He began teaching geology at Colorado College in Colorado Springs ABD, and completed his PhD in geology at the University of Colorado, Boulder. His favorite course as an undergrad was art history, and on his second sabbatical, he completed an MA in art history, also at the University of Colorado in Boulder. After that, he taught art history, as well as geology, at Colorado College. He currently resides with his husband Dan O’Brien and their dog Bodi in San Luis Obispo, California, where he teaches part-time at California Polytechnic State University.

Since 1999, Bruce has been a study leader on international expeditions, working mostly for the American Museum of Natural History. Both a volcanologist and an art historian, his travels have taken him all over the world (six continents and over 40 countries so far). He is a dedicated teacher and an enthusiastic and gifted lecturer.

When not teaching and traveling, Bruce remodels and landscapes homes. He had done the landscape and interior design for eight residences, including a Craftsman bungalow, a 1930s mud adobe, a 1940s ranch, a mid-century modern home, a contemporary mountain cabin, and an ultra-modern three-story home of glass and wood, built on the side of a red rock outcrop. Bruce and Dan are avid collectors of American and world art, with works ranging from the 18th to the 21st centuries.