Members with the Letter A
- Aakeröy, Christer -- United States -- Kansas State University
- Abagyan, Ruben -- United States -- University of California at San Diego
- Abboud, José-Luis -- Spain -- Consejo Superior de Investigaciones Científicas
- Abdallah, Hassan -- Malaysia
- Abdul Aziz, Yang -- Malaysia -- Universiti Kebangsaan Malaysia
- Abe, Hidetsugu -- Japan -- Toyohashi University of Technology
- Abe, Akihiro -- Japan
- Abed Rabbo, Alfred -- Israel -- Bethlehem University of the Negev
- Abegaz, Berhanu -- Kenya -- African Academy of Sciences
- Abellán Sáez, Gonzalo -- Spain -- Universidad de Valencia
- Abrahams, Sidney -- United States -- Southern Oregon University
- Abrell, Leif -- United States -- University of Arizona
- Abu-Mayla, Yousef -- Israel -- Al Azhar University
- Abu-Orabi, Sultan -- Jordan -- Yarmouk University
- Achmatowicz, Osman -- Poland -- Pharmaceutical Research Institute
- Acree, William -- United States -- University of North Texas
- Acuña, A. -- Spain -- Consejo Superior de Investigaciones Científicas
- Adam, Waldemar -- Puerto Rico -- University of Puerto Rico
- Adams, Freddy -- Belgium -- Universiteit Antwerpen
- Adhikari, Rameshwar -- Nepal -- Tribhuvan University
- Adlercreutz, Patrick -- Sweden -- Lunds Universitet
- Adrian, Joerg -- Germany -- BASF AG
- Adschiri, Tadafumi -- Japan -- Tohoku University
- Agarkar, Sudhakar -- India -- Homi Bhabha Centre for Science Education
- Aggarwal, S. K. -- India -- Bhabba Atomic Research Center
- Agranat, Israel -- Israel -- The Hebrew University of Jerusalem
- Ahlberg, K. -- Sweden -- Göteborg Universitet
- Ahluwalia, J. -- India -- Indian Institute of Technology
- Ahmad, Mesbahuddin -- Bangladesh -- Bangladesh Chemical Society
- Ahmad, Viqar -- Pakistan -- University of Karachi