He has done anthropological fieldwork in the Caribbean (Jamaica), the Middle East (Iran), South Asia (India), Southeast Asia (Singapore) and the U.S. on social change and religion (Protestants and Afro-Caribbean religions in Jamaica; Zoroastrians, Shi'ites, Baha'is, Jews in Iran; Jains and Parsis in India); on bazaars, merchants, craftsmen, and agriculture in Iran, Jamaica, India, and Antwerp; on revolutionary processes in Iran; on cinema in Poland, India, and Iran; on communities of scientists, engineers, and physicians in India, Iran, Singapore, and the U.S. He teaches courses on social theory, ethnography, anthropology and film, social and ethical issues in the biosciences and biotechnologies, law and ethics on the electronic frontier. He studied geography and philosophy at Johns Hopkins (B.A. 1967), social anthropology and philosophy at the L.S.E., anthropology at the University of Chicago (Ph.D. 1973). He has taught at the University of Chicago, Harvard, and Rice before moving to MIT, and served as Director of the Center for Cultural Studies at Rice, and Director of the Program in Science, Technology and Society at MIT. He's been a Fulbright Lecturer in Brazil, a CIES Fellow in India, a Senior Fellow at the Smithsonian, and a Visiting Research Professor at NUS/Asian Research Center in Singapore.