William O. Aydelotte Member (elected 1974)
September 1, 1910 - January 17, 1996

Horace W. Babcock Emeritus (elected 1954)
September 13, 1912 - August 29, 2003

Ernest B. Babcock Member (elected 1946)
July 10, 1877 - December 8, 1954

Harold D. Babcock Member (elected 1933)
January 24, 1882 - April 8, 1968

Bernard M. Babior Member (elected 1999)
November 10, 1935 - June 29, 2004

Alexander D. Bache Member (elected 1863)
July 19, 1806 - February 17, 1867

Robert F. Bacher Emeritus (elected 1947)
August 31, 1905 - November 18, 2004

Werner Bachmann Member (elected 1941)
November 13, 1901 - March 22, 1951

Howard L. Bachrach Member (elected 1982)
May 21, 1920 - June 26, 2008

Oskar Backlund International Member (elected 1903)
April 28, 1846 - August 29, 1916

George E. Backus Member (elected 1969)
University of California, San Diego
Primary: 16, Geophysics

John Backus Member (elected 1974)
December 3, 1924 - March 17, 2007

Richard Badger Member (elected 1952)
May 4, 1896 - November 26, 1974

Leo Baekeland Member (elected 1936)
November 14, 1863 - February 23, 1944

Fran Bagenal Member (elected 2021)
University of Colorado Boulder
Primary: 16, Geophysics
Secondary: 13, Physics

Vanderlei S. Bagnato International Member (elected 2013)
University of Sao Paulo
Primary: 13, Physics

Ivet Bahar Member (elected 2020)
Stony Brook University, The State University of New York
Primary: 29, Biophysics and Computational Biology
Secondary: 21, Biochemistry

John N. Bahcall Member (elected 1976)
December 30, 1934 - August 17, 2005

Neta A. Bahcall Member (elected 1997)
Princeton University
Primary: 12, Astronomy
Secondary: 13, Physics

Chunli Bai International Member (elected 2006)
Chinese Academy of Sciences
Primary: 31, Engineering Sciences
Secondary: 33, Applied Physical Sciences

Edward Bailey International Member (elected 1944)
July 1, 1881 - March 19, 1965

Solon Bailey Member (elected 1923)
December 29, 1854 - June 5, 1931

Irving Bailey Member (elected 1929)
August 15, 1884 - May 16, 1967

Liberty H. Bailey Member (elected 1917)
March 15, 1858 - December 25, 1954

Percival Bailey Member (elected 1953)
May 9, 1892 - August 10, 1973

Julia Bailey-Serres Member (elected 2016)
University of California, Riverside
Primary: 62, Plant, Soil, and Microbial Sciences
Secondary: 25, Plant Biology

Renee Baillargeon International Member (elected 2015)
University of Illinois at Urbana-Champaign
Primary: 52, Psychological and Cognitive Sciences

Edgar Bain Member (elected 1954)
September 14, 1891 - November 27, 1971

Kenneth T. Bainbridge Member (elected 1946)
July 27, 1904 - July 14, 1996

Spencer F. Baird Member (elected 1864)
February 3, 1823 - August 19, 1887

Tania A. Baker Member (elected 2007)
Massachusetts Institute of Technology
Primary: 21, Biochemistry

David Baker Member (elected 2006)
University of Washington
Primary: 29, Biophysics and Computational Biology

W. O. Baker Member (elected 1961)
July 15, 1915 - October 31, 2005

Bruce S. Baker Member (elected 1993)
December 20, 1945 - July 1, 2018

Barbara Baker Member (elected 2021)
U.S. Department of Agriculture
Primary: 25, Plant Biology
Secondary: 62, Plant, Soil, and Microbial Sciences

David H. Baker Member (elected 2005)
February 26, 1939 - December 2, 2009

Paul T. Baker Emeritus (elected 1980)
February 28, 1927 - November 29, 2007

James G. Baker Member (elected 1965)
November 11, 1914 - June 29, 2005

Shankar Balasubramanian International Member (elected 2023)
University of Cambridge
Primary: 14, Chemistry
Secondary: 21, Biochemistry

Anna C. Balazs Member (elected 2021)
University of Pittsburgh
Primary: 31, Engineering Sciences
Secondary: 33, Applied Physical Sciences

Steven A. Balbus Member (elected 2015)
University of Oxford
Primary: 12, Astronomy
Secondary: 13, Physics

John D. Baldeschwieler Member (elected 1970)
California Institute of Technology
Primary: 14, Chemistry

Ian T. Baldwin Member (elected 2013)
Max Planck Institute for Chemical Ecology
Primary: 25, Plant Biology
Secondary: 27, Evolutionary Biology

Robert L. Baldwin Emeritus (elected 1980)
September 30, 1927 - March 6, 2021

Ransom L. Baldwin Member (elected 1993)
September 21, 1935 - November 30, 2007

Leon Balents Member (elected 2019)
University of California, Santa Barbara
Primary: 13, Physics
Secondary: 33, Applied Physical Sciences

Eric G. Ball Member (elected 1948)
July 12, 1904 - September 4, 1979

C. J. Ballhausen International Member (elected 1992)
April 4, 1926 - July 1, 2010

Clinton E. Ballou Emeritus (elected 1975)
June 18, 1923 - March 8, 2021

Arnold Balls Member (elected 1954)
April 2, 1891 - May 25, 1966