Anurag Agrawal Member (elected 2021)
Cornell University
Primary: 27, Evolutionary Biology
Secondary: 63, Environmental Sciences and Ecology

Manindra Agrawal International Member (elected 2015)
Indian Institute of Technology
Primary: 11, Mathematics
Secondary: 34, Computer and Information Sciences

Peter C. Agre Member (elected 2000)
Johns Hopkins University
Primary: 23, Physiology and Pharmacology
Secondary: 42, Medical Physiology and Metabolism

Yakir Aharonov Emeritus (elected 1993)
Chapman University
Primary: 13, Physics

Guenter Ahlers Member (elected 1982)
University of California, Santa Barbara
Primary: 13, Physics
Secondary: 33, Applied Physical Sciences

Lars V. Ahlfors Emeritus (elected 1953)
April 18, 1907 - October 11, 1996

Paul Ahlquist Member (elected 1993)
University of Wisconsin-Madison
Primary: 21, Biochemistry
Secondary: 44, Microbial Biology

Rafi Ahmed Member (elected 2009)
Emory University
Primary: 43, Immunology and Inflammation
Secondary: 44, Microbial Biology

Natalie G. Ahn Member (elected 2018)
University of Colorado Boulder
Primary: 21, Biochemistry
Secondary: 29, Biophysics and Computational Biology

Alfred V. Aho Member (elected 2022)
Columbia University
Primary: 34, Computer and Information Sciences

Edward H. Ahrens, Jr. Member (elected 1973)
May 21, 1915 - December 9, 2000

Thomas J. Ahrens Member (elected 1992)
April 25, 1936 - November 24, 2010

Pierre R. Aigrain International Member (elected 1974)
September 28, 1924 - October 30, 2002

Elizabeth Ainsworth Member (elected 2020)
U.S. Department of Agriculture
Primary: 62, Plant, Soil, and Microbial Sciences
Secondary: 25, Plant Biology

George B. Airy International Member (elected 1865)
July 27, 1801 - January 4, 1892

Robert Aitken Member (elected 1918)
December 31, 1864 - October 29, 1951

Joanna Aizenberg Member (elected 2019)
Harvard University
Primary: 14, Chemistry
Secondary: 33, Applied Physical Sciences

Michael Aizenman Member (elected 1997)
Princeton University
Primary: 32, Applied Mathematical Sciences
Secondary: 11, Mathematics

Miklos Ajtai Member (elected 2021)
International Business Machines Corporation
Primary: 34, Computer and Information Sciences
Secondary: 11, Mathematics

George A. Akerlof Member (elected 2003)
University of California, Berkeley
Primary: 54, Economic Sciences
Secondary: 53, Social and Political Sciences

Keiiti Aki Member (elected 1979)
March 3, 1930 - May 17, 2005

Huda Akil Member (elected 2011)
University of Michigan
Primary: 28, Systems Neuroscience
Secondary: 24, Cellular and Molecular Neuroscience

Shizuo Akira International Member (elected 2009)
Osaka University
Primary: 43, Immunology and Inflammation

Serap Aksoy Member (elected 2021)
Yale University
Primary: 61, Animal, Nutritional, and Applied Microbial Sciences
Secondary: 44, Microbial Biology

Richard D. Alba Member (elected 2020)
City University of New York, Graduate Center
Primary: 53, Social and Political Sciences

Abraham A. Albert Member (elected 1943)
November 9, 1905 - June 6, 1972

Susan C. Alberts Member (elected 2019)
Duke University
Primary: 51, Anthropology
Secondary: 27, Evolutionary Biology

Bruce Alberts Member (elected 1981)
University of California, San Francisco
Primary: 21, Biochemistry
Secondary: 22, Cellular and Developmental Biology

Robert A. Alberty Emeritus (elected 1965)
June 21, 1921 - January 18, 2014

Thomas D. Albright Member (elected 2008)
Salk Institute for Biological Studies
Primary: 28, Systems Neuroscience
Secondary: 52, Psychological and Cognitive Sciences

Fuller Albright Member (elected 1952)
January 12, 1900 - December 8, 1969

William F. Albright Member (elected 1955)
May 24, 1891 - September 19, 1971

Charles Alcock Member (elected 2001)
Center for Astrophysics, Harvard & Smithsonian
Primary: 12, Astronomy
Secondary: 13, Physics

Alan Alda Public Welfare Medalist (awarded 2016)
Stony Brook University, The State University of New York

Berni J. Alder Member (elected 1970)
September 9, 1925 - September 7, 2020

David Aldous International Member (elected 2010)
University of California, Berkeley
Primary: 32, Applied Mathematical Sciences

Richard W. Aldrich Member (elected 2008)
The University of Texas at Austin
Primary: 23, Physiology and Pharmacology
Secondary: 29, Biophysics and Computational Biology

Richard D. Alexander Member (elected 1974)
November 18, 1929 - August 20, 2018

Stephen Alexander Member (elected 1863)
September 1, 1806 - June 25, 1883

James W. Alexander Member (elected 1930)
September 19, 1888 - September 23, 1971

John Alexander Member (elected 1863)
June 26, 1812 - March 2, 1867

Paul S. Alexandroff International Member (elected 1947)
May 7, 1896 - November 16, 1982

Zhores I. Alferov International Member (elected 1990)
March 15, 1930 - March 1, 2019

Hannes Alfven International Member (elected 1966)
May 30, 1908 - April 2, 1995

Kari Alitalo International Member (elected 2013)
University of Helsinki
Primary: 41, Medical Genetics, Hematology, and Oncology
Secondary: 22, Cellular and Developmental Biology

A. Paul Alivisatos Member (elected 2004)
The University of Chicago
Primary: 14, Chemistry
Secondary: 13, Physics

Maurice Allais International Member (elected 1990)
May 31, 1911 - October 9, 2010

R. W. Allard Member (elected 1973)
September 3, 1919 - March 25, 2003

Warder Allee Member (elected 1951)
June 5, 1885 - March 18, 1955

Claude J. Allegre International Member (elected 1985)
Institut de Physique du Globe
Primary: 15, Geology