Eugene T. Allen Member (elected 1930)
April 2, 1864 - July 17, 1964

Jim Allen International Member (elected 2012)
La Trobe University
Primary: 51, Anthropology

Charles E. Allen Member (elected 1924)
October 4, 1872 - June 25, 1954

Joel A. Allen Member (elected 1876)
July 19, 1838 - August 29, 1921

Clarence R. Allen Emeritus (elected 1976)
February 15, 1925 - January 21, 2021

Frances E. Allen Emeritus (elected 2010)
August 4, 1932 - August 4, 2020

Jorge E. Allende International Member (elected 2001)
University of Chile
Primary: 21, Biochemistry
Secondary: 22, Cellular and Developmental Biology

Lawrence H. Aller Member (elected 1962)
September 24, 1913 - March 16, 2003

Richard B. Alley Member (elected 2008)
The Pennsylvania State University
Primary: 16, Geophysics
Secondary: 15, Geology

Norman L. Allinger Member (elected 1991)
April 6, 1928 - July 8, 2020

C. David Allis Member (elected 2005)
March 22, 1951 - January 8, 2023

James P. Allison Member (elected 1997)
The University of Texas MD Anderson Cancer Center
Primary: 43, Immunology and Inflammation

Samuel Allison Member (elected 1946)
November 13, 1900 - September 15, 1965

Wolfhard Almers Member (elected 2006)
Oregon Health & Science University
Primary: 24, Cellular and Molecular Neuroscience
Secondary: 23, Physiology and Pharmacology

Gabriel A. Almond Member (elected 1977)
January 12, 1911 - December 25, 2002

Mathew Alpern Member (elected 1991)
September 22, 1920 - May 14, 1996

Frederick W. Alt Member (elected 1994)
Harvard University
Primary: 43, Immunology and Inflammation
Secondary: 41, Medical Genetics, Hematology, and Oncology

Harvey J. Alter Member (elected 2002)
National Institutes of Health
Primary: 42, Medical Physiology and Metabolism
Secondary: 41, Medical Genetics, Hematology, and Oncology

Sidney Altman Member (elected 1990)
May 8, 1939 - April 5, 2022

Jeanne Altmann Member (elected 2003)
Princeton University
Primary: 51, Anthropology
Secondary: 63, Environmental Sciences and Ecology

Boris L. Altshuler Member (elected 2002)
Columbia University
Primary: 33, Applied Physical Sciences
Secondary: 13, Physics

Walter Alvarez Member (elected 1991)
University of California, Berkeley
Primary: 15, Geology

Luis W. Alvarez Member (elected 1947)
June 13, 1911 - September 1, 1988

Arturo Alvarez-Buylla Member (elected 2021)
University of California, San Francisco
Primary: 24, Cellular and Molecular Neuroscience
Secondary: 22, Cellular and Developmental Biology

Edoardo Amaldi International Member (elected 1962)
September 5, 1908 - December 5, 1989

Susan G. Amara Member (elected 2004)
National Institutes of Health
Primary: 23, Physiology and Pharmacology
Secondary: 24, Cellular and Molecular Neuroscience

Richard M. Amasino Member (elected 2006)
University of Wisconsin-Madison
Primary: 62, Plant, Soil, and Microbial Sciences
Secondary: 25, Plant Biology

V. Ambartsumian International Member (elected 1959)
September 18, 1908 - August 12, 1996

Victor R. Ambros Member (elected 2007)
University of Massachusetts Medical School
Primary: 26, Genetics
Secondary: 22, Cellular and Developmental Biology

Bruce N. Ames Member (elected 1972)
University of California, Berkeley
Primary: 21, Biochemistry
Secondary: 42, Medical Physiology and Metabolism

Joseph S. Ames Member (elected 1909)
July 3, 1864 - June 24, 1943

Angelika Amon Member (elected 2010)
January 10, 1967 - October 29, 2020

Harold Amos Public Welfare Medalist (awarded 1995)
September 7, 1919 - February 26, 2003

D. Bernard Amos Member (elected 1983)
April 16, 1923 - May 15, 2003

Abram Amsel Emeritus (elected 1992)
December 4, 1922 - August 31, 2006

Neal R. Amundson Emeritus (elected 1992)
January 10, 1916 - February 16, 2011

Zhisheng An International Member (elected 2016)
Chinese Academy of Sciences
Primary: 63, Environmental Sciences and Ecology
Secondary: 15, Geology

Edward Anders Emeritus (elected 1974)
The University of Chicago
Primary: 16, Geophysics

Richard A. Andersen Member (elected 2005)
California Institute of Technology
Primary: 28, Systems Neuroscience

Per O. Andersen International Member (elected 1994)
January 12, 1930 - February 17, 2020

Hans C. Andersen Member (elected 1992)
Stanford University
Primary: 14, Chemistry
Secondary: 33, Applied Physical Sciences

Rudolph Anderson Member (elected 1946)
September 13, 1879 - April 6, 1961

Thomas F. Anderson Member (elected 1964)
February 7, 1911 - August 11, 1991

Herbert L. Anderson Member (elected 1960)
May 24, 1914 - July 17, 1988

Kinsey A. Anderson Emeritus (elected 1980)
September 18, 1926 - June 29, 2012

David J. Anderson Member (elected 2007)
California Institute of Technology
Primary: 24, Cellular and Molecular Neuroscience
Secondary: 22, Cellular and Developmental Biology

Philip W. Anderson Member (elected 1967)
December 13, 1923 - March 29, 2020

Don L. Anderson Member (elected 1982)
March 5, 1933 - December 2, 2014

John R. Anderson Member (elected 1999)
Carnegie Mellon University
Primary: 52, Psychological and Cognitive Sciences

Edgar Anderson Member (elected 1954)
November 9, 1897 - June 18, 1969