The rankings are determined by a scientist's D-index (Discipline H-index), which solely considers publication and citation data within a specific discipline. This recognition highlights the significant contributions of these scholars to their fields and the substantial impact their work has had on society. The 4th edition of Research.com ranking of the best scientists in the discipline of Materials Science is based on data derived from various data sources including OpenAlex and CrossRef. The bibliometric data for evaluating the citation-based metrics were acquired on 27-11-2024. Position in the ranking is based on a scholar’s D-index (Discipline H-index), which takes into account only papers and citation metrics for an examined discipline.