WASHINGTON — The National Academy of Sciences announced today the election of 120 members and 30 international members in recognition of their distinguished and continuing achievements in original research.

Those elected today bring the total number of active members to 2,512 and the total number of international members to 517. International members are nonvoting members of the Academy, with citizenship outside the United States.

Newly elected members and their affiliations at the time of election are:

Abel, E. Dale; William S. Adams Distinguished Professor of Medicine, chair, and executive medical director, department of medicine, David Geffen School of Medicine and UCLA Health, Los Angeles

Abraham, Katharine G.; distinguished university professor of economics and survey methodology, department of economics, University of Maryland, College Park

Aho, Alfred V.; Lawrence Gussman Professor Emeritus of Computer Science, Columbia University, New York City

Atran, Scott; co-founder and director of research, Artis Research and Artis International, Vendres, France

Barrett, Christopher B.; professor, Charles H. Dyson School of Applied Economics and Management, Cornell University, Ithaca, N.Y.

Belcher, Angela M.; James Mason Crafts Professor and head, department of biological engineering, Massachusetts Institute of Technology, Cambridge

Bennett, Elena M.; professor, department of natural resource sciences, McGill School of Environment, McGill University, Sainte-Anne-de-Bellevue, Quebec, Canada

Bennett, Jean; professor of ophthalmology and cell and developmental biology, F.M. Kirby Center for Molecular Ophthalmology, Children's Hospital of Philadelphia, Philadelphia

Beroza, Gregory C.; professor of geophysics, department of geophysics, Stanford University, Palo Alto, Calif.

Bjork, Robert A.; distinguished research professor, department of psychology, University of California, Los Angeles

Bogomolov, Fedor A.; professor, Courant Institute of Mathematical Sciences, New York University, New York City

Boudker, Olga; investigator, Howard Hughes Medical Institute; and professor of physiology and biophysics, Weill Cornell Medical College, New York City

Broderick, Joan B.; professor of chemistry and biochemistry and chair, department of chemistry, Montana State University, Bozeman

Brondizio, Eduardo S.; distinguished professor of anthropology, department of anthropology, Indiana University, Bloomington

Browse, John A.; Charlotte Martin Distinguished Professor in Agricultural Research, and regents professor of biochemistry and molecular plant sciences, Institute of Biological Chemistry, Washington State University, Pullman

Buffalo, Elizabeth A.; professor and chair of physiology and biophysics, University of Washington School of Medicine, Seattle

Butler, Alison; distinguished professor and associate vice chancellor for academic personnel, department of chemistry and biochemistry, University of California, Santa Barbara

Casadevall, Arturo; Bloomberg Distinguished Professor, Alfred and Jill Sommer Professor, and chair of molecular microbiology and immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore