| Александр | Полонский | Институт природно-технических систем | Russia | Earth and Planetary Sciences | Теория климата, океанография | worldtopscientists.com |
| Александр | Леньшин | Воронежский государственный университет | Russia | Materials Science | https://www.mdpi.com/2073-4360/16/9/1281 | worldtopscientists.com |
| Alexander | Kirichenko | Allegheny General Hospital | United States | Health Professions | Radiation Oncology | worldtopscientists.com |
| Alexander | Karimov | National Research Nuclear University MEPhI | Russia | Physics and Astronomy | Plasma Physics | worldtopscientists.com |
| Alex | Mirugwe | Makerere University, School of Public Health | Uganda | Computer Science | Health Modelling | worldtopscientists.com |
| Albrecht | Classen | University of Arizona | United States | Arts and Humanities | German Studies | worldtopscientists.com |
| Alaa | Adam | Sohag University | Egypt | Materials Science | Thermolectric materials | worldtopscientists.com |
| A K M EAHSANUL | Haque | Universiti Teknologi PETRONAS | Malaysia | Earth and Planetary Sciences | Petroleum Geoscience | worldtopscientists.com |
| Akife | DALDA ŞEKERCİ | Erciyes University | Turkey | Agricultural and Biological Sciences | ornamental plants, vegetables | worldtopscientists.com |
| Akhlaqur | Rahman | University of The Sunshine Coast | Australia | Computer Science | ICT, IIoT, Networking, Machine Learning, Automation | worldtopscientists.com |
| Akhilesh | Kumar | National Institute of Technology Jamshedpur | India | Engineering | Heat Transfer and Fluid Flow | worldtopscientists.com |
| Akbar | Hojjati Najafabadi | Islamic Azad University Mobarakeh Branch | Iran | Engineering | university | worldtopscientists.com |
| Akbar | Cheshomi | University of Tehran | Iran | Earth and Planetary Sciences | Engineering Geology/Measurement of soil and rock engineering characteristics with the development of laboratory equipment | worldtopscientists.com |
| Akash | Sood | Sant Longowal Institute of Engineering and Technology | India | Engineering | Carbon dioxide Capture and Sequestration | worldtopscientists.com |
| AKASH | KRISHNAMOORTHI | Annamalai University | India | Agricultural and Biological Sciences | Agricultural Microbiology | worldtopscientists.com |
| Aisha | Mushtaq | SBK Women's University | Pakistan | Biochemistry, Genetics and Molecular Biology | Biochemistry | worldtopscientists.com |
| Ainur | Mussakulkyzy | Institute of Geography and Water Security | Kazakhstan | Environmental Science | surface water quality | worldtopscientists.com |
| Aigul | Tazhiyeva | Kazakh National Medical University | Kazakhstan | Medicine and Dentistry | Public Health | worldtopscientists.com |
| Aigul | Galembikova | Kazan state medical university | Russia | Immunology and Microbiology | Immunology | worldtopscientists.com |
| Aida | Al-Samawi | College of Computer Sciences and Information Technology, Department of Computer Networks, King Faisal University, Al-Ahsa, 31982, Saudi Arabia | Yemen | Computer Science | Cybersecurity, Telecommunication, Wireless communication, Signal processing, Mathematical modeling | worldtopscientists.com |