The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 years. As of Feb 17, 2025, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (910.673) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
![Nuno Sousa](https://cdn.adscientificindex.com/pictures/28/4369283.jpg)
![Ana M Sebastiao](https://cdn.adscientificindex.com/pictures/ba/4368638.jpg)
![Zachary F Mainen](https://cdn.adscientificindex.com/pictures/3f/4442244.jpg)
![Luisa Pinto](https://cdn.adscientificindex.com/pictures/03/4369385.jpg)
![Sergi Bermúdez i Badia](https://cdn.adscientificindex.com/pictures/91/4357570.jpg)
![Armando Almeida](/user/assets/images/profile/no-profile-photo.png)
![Ana J Rodrigues](https://cdn.adscientificindex.com/pictures/a0/4369419.jpg)
![David Brea](https://cdn.adscientificindex.com/pictures/ea/4442253.jpg)
![Carlos Ribeiro](https://cdn.adscientificindex.com/pictures/05/4442259.jpg)
![André Silva](https://cdn.adscientificindex.com/pictures/27/4369456.jpg)
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![Paulo Marques](/user/assets/images/profile/no-profile-photo.png)
![Ioannis Sotiropoulos](https://cdn.adscientificindex.com/pictures/ed/4369450.jpg)
![Michael Orger](/user/assets/images/profile/no-profile-photo.png)
![Joao Carlos Sousa](https://cdn.adscientificindex.com/pictures/bd/4369464.jpg)
![Alfonso Renart](https://cdn.adscientificindex.com/pictures/da/4442263.jpg)
![Tiago Gil Oliveira](https://cdn.adscientificindex.com/pictures/2a/4369586.jpg)
![Julia M Huntenburg](https://cdn.adscientificindex.com/pictures/5b/4442264.jpg)
![Silva J](https://cdn.adscientificindex.com/pictures/0b/4369680.jpg)
![Leopoldo Petreanu](https://cdn.adscientificindex.com/pictures/d2/4442247.jpg)
![Ana Clara Cristovao](https://cdn.adscientificindex.com/pictures/14/4368540.jpg)
![Joseph J. Paton](/user/assets/images/profile/no-profile-photo.png)
![Joaquim Alves Da Silva](https://cdn.adscientificindex.com/pictures/59/4442277.jpg)
![Andreia Teixeira-Castro](https://cdn.adscientificindex.com/pictures/fd/4369696.jpg)
![Megan R. Carey](https://cdn.adscientificindex.com/pictures/4f/4442274.jpg)
![Barbara Coimbra](/user/assets/images/profile/no-profile-photo.png)