| Akbar | Cheshomi | University of Tehran | Iran | worldtopscientists.com |
| Akbar | Hojjati Najafabadi | Islamic Azad University Mobarakeh Branch | Iran | worldtopscientists.com |
| Akhilesh | Kumar | National Institute of Technology Jamshedpur | India | worldtopscientists.com |
| Akife | DALDA ŞEKERCİ | Erciyes University | Turkey | worldtopscientists.com |
| Alaa | Adam | Sohag University | Egypt | worldtopscientists.com |
| Albert | Babaev | Институт физики Дагестанского федерального исследовательского центра РАН | Russia | |
| Albrecht | Classen | University of Arizona | United States | worldtopscientists.com |
| Alex | Mirugwe | Makerere University, School of Public Health | Uganda | worldtopscientists.com |
| Alexander | Karimov | National Research Nuclear University MEPhI | Russia | worldtopscientists.com |
| Alexander | Kirichenko | Allegheny General Hospital | United States | worldtopscientists.com |
| Alexandr | Karpachev | Pushkov Institute of Terrestrial Magnetism | Russia | worldtopscientists.com |
| Alexandre | Duarte | FCSH/UNL | Portugal | worldtopscientists.com |
| Alexandrina | Nan | National Institute for R&D of Isotopic and Molecular Technologies, Cluj-Napoca | Romania | worldtopscientists.com |
| Alexis | Quintana Isasi Timmermans | University of Alicante | Spain | worldtopscientists.com |
| Alexsandra Duarte de | Oliveira | Embrapa Cerrados | Brazil | |
| Alfredo | Dias | Universidade de Coimbra | Portugal | worldtopscientists.com |
| Ali | Taherifar | Yasouj university | Iran | worldtopscientists.com |
| Ali | Sadeghianjahromi | University of Warwick | United Kingdom | worldtopscientists.com |
| Ali | Kuhestani | Qom University of Technology | Iran | worldtopscientists.com |
| Ali | Sabir | Selcuk University | Turkey | worldtopscientists.com |