Langenbach has degrees from Harvard and the I.A.A.S. in York, UK. For 10 years, he served as Senior Analyst for the Federal Emergency Management Agency (FEMA), and before that, he was Assistant Professor of Architecture at the University of California, Berkeley. He has also served as visiting professor at the University of Brescia in Italy, and has recently given lectures at The University of Rome: Roma Tre.
In 1981, he received an Indo-American Exchange Fellowship to India, and since then has done reconnaissances for UNESCO after the 2001 Gujarat Earthquake and 2005 Kashmir Earthquake. He is author and photographer for the 2009 UNESCO book “Don’t Tear It Down! Preserving the Earthquake Resistant Vernacular Architecture of Kashmir” (www.traditional-is-modern.net) In 2002, he received a Rome Prize Fellowship at the American Academy in Rome for his work, and this year ORO Editions has published his recent book on Rome: "ROME WAS! The Eternal City from Piranesi to the Present."