| Amirmohammad | Behzadi | KTH Royal Institute of Technology | Sweden | worldtopscientists.com |
| Ammar | Chouchane | University centre of Barika | Algeria | worldtopscientists.com |
| Ammar | Odeh | Princess Sumaya University for Technology | Jordan | worldtopscientists.com |
| Ammar | Javed | NYU Langone Health | United States | worldtopscientists.com |
| ANA | DE ANDRÉS-MARTÍN | Hospital Universitario Ramón y Cajal | Spain | worldtopscientists.com |
| Ana Karine Furtado de | Carvalho | Escola de Engenharia de Lorena - Universidade de São Paulo | Brazil | |
| Ana Lúcia | Pires | University of Porto - FCUP | Portugal | worldtopscientists.com |
| Anahit | Sargsyan | IGIC Armenia | Armenia | worldtopscientists.com |
| Anali | Azabdaftari | Western Sydney University | Australia | worldtopscientists.com |
| Ananya | Kuri | Siemens AG | Germany | worldtopscientists.com |
| Anastasia | Kakouri | Department of the Environment/University Of The Aegean | Greece | worldtopscientists.com |
| Anca-Roxana | Petrovici | "Petru Poni" Institute of Macromolecular Chemistry | Romania | worldtopscientists.com |
| Andleeb | Masood | Southwest Jiaotong University | China | worldtopscientists.com |
| André | Stein | Universidade Federal de Mato Grosso (UFMT) | Brazil | worldtopscientists.com |
| Andre | Pereira | Faculdade de Ciencias da Universidade do Porto | Portugal | worldtopscientists.com |
| ANDREA | CALDERONE | Università degli studi di Messina | Italy | worldtopscientists.com |
| Andrés | Barrios Rubio | Pontifical Javeriana University | Colombia | worldtopscientists.com |
| Andressa | Silva | Universidade Federal de Minas Gerais | Brazil | worldtopscientists.com |
| Andrews | Tang | KNUST | Ghana | worldtopscientists.com |
| Andrey | Milchev | Institute of Physical Chemistry, Bulgarian Academy of Sciences | Bulgaria | worldtopscientists.com |