As of my last knowledge update in October 2021, there is no widely known individual or concept by the name of Drago Grdenić. It is possible that he may be a private individual, a local figure, or someone who has gained relevance after my last update.

Evgraf Fedorov may refer to a number of individuals or topics, but without additional context, it's challenging to provide a specific answer. One well-known figure named Evgraf Fedorov was a Russian painter and one of the leading figures of the Russian avant-garde movement. Additionally, there could be contemporary references or different individuals with the same name in various fields such as science, literature, or other areas.

Fan Haifu (范海福) is a Chinese composer and musician known for his contributions to film and television scores, as well as traditional Chinese music. He has gained recognition for his ability to blend modern musical techniques with classical Chinese elements, creating a unique sound.

Friedrich Haag is not widely recognized in historical or popular contexts as a notable figure or entity. Without additional context, it is unclear if you are referring to a person, a location, or something else entirely.

Fritz Laves is a distinguished figure in the field of materials science and engineering, particularly known for his contributions to the study of crystal structures and the mechanical properties of materials. He is credited with significant research on alloy systems and phase transformations. The Laves phases, named after him, are a class of intermetallic compounds that exhibit unique properties and are of interest for various applications in materials science.

Gerard Kleywegt is a mathematician known primarily for his work in the field of computer science and mathematical logic. He has made significant contributions to areas such as formal methods, algorithm design, and data structures.

Gerhard Schmidt is a notable figure in the field of crystallography, which is the study of crystals and their atomic structure. He is known for his contributions to the understanding of crystal structures and related phenomena. Schmidt has authored and co-authored numerous scientific papers and worked on various aspects of crystallography, particularly in the context of materials science and chemistry.

Gottlob Linck was a notable figure in German history, primarily known for his role as a meister of the art of puppetry in the 18th century. However, he is perhaps most infamously recognized for his criminal activities, specifically being a serial killer. Linck was active in the late 1700s, and his deeds led to his arrest and execution.

"Guo Kexin" does not appear to be a widely recognized term or name based on my data up to October 2023. It might refer to a specific person, a fictional character, or a term that is context-specific and not broadly known.

Gérard Bricogne is a prominent French scientist known for his contributions to the field of X-ray crystallography. He is particularly recognized for his work in the development of software and methodologies for the analysis of crystal structures. Bricogne has been involved in creating tools that aid researchers in obtaining and interpreting crystallographic data, which is essential for understanding the molecular structures of a wide range of substances, including biological macromolecules such as proteins and nucleic acids.

Hans-Beat Bürgi is a Swiss mathematician known for his contributions to various areas of mathematics, particularly in the field of number theory, combinatorics, and mathematical education. He has been recognized for his work in explaining complex mathematical concepts in an accessible manner and has published numerous papers and educational materials.

Hartmut Bärnighausen is a prominent figure known for his work in public health and global health research. He is affiliated with institutions such as the Harvard T.H. Chan School of Public Health, where he focuses on areas like health systems, health policy, and the evaluation of health interventions, particularly in low- and middle-income countries. His research often emphasizes the importance of health equity and the social determinants of health.

Helen Megaw is an accomplished scientist known for her contributions to materials science and crystallography. She has been involved in research related to the properties and structures of various materials, particularly in the context of mineralogy and the study of crystalline substances. Megaw's work has significantly contributed to our understanding of the relationships between crystal structures and their physical properties. In addition to her research, she is also recognized for her role in academia, particularly in mentoring students and contributing to scientific education.

Ivar Werner Oftedal was a prominent Norwegian architect known for his contributions to modern architecture. He was born on July 17, 1919, and dedicated much of his career to architectural design and education in Norway. Oftedal's work often emphasized functionality and innovative design while considering the cultural and environmental context. He played a significant role in shaping contemporary architecture in Norway and was involved in various projects that reflect the architectural trends of his time.

"Discoveries" by Erich Meyer is not widely recognized as a specific work or publication in mainstream literature or academic circles up to my knowledge cutoff in October 2023. There may be a few different interpretations or contexts where the name might appear, such as a research article, a book, or even a project related to a specific field.

Jacques Mering is likely a reference to a French mathematician known for his work in the field of mathematics, particularly in the areas of analysis and number theory.