Date of birth:
Website:

Merge with [Britt G. Hallqvist](/a/OL973667A)

More Authors

David F. Duncan

Dr. Duncan is an epidemiologist and psychologist whose contributions to the understanding of addictive behavior and its treatment have led some to call him "the Stephen Hawking of addiction science". He has taught at the State University of New York, Southern Illinois University, Columbia University...

Alfonso Gumucio-Dagron

Alfonso Gumucio-Dagron (Bolivia) is a writer, filmmaker, photographer and development communication specialist. He is the author of several books on communication and film, documentary films, photographic exhibits and has worked in five continents on social development projects.

He has published ...