William H. Matthaeus is a physicist known for his work in the field of space physics and plasma physics. He has contributed significantly to the understanding of magnetohydrodynamics, turbulence in space plasmas, and various phenomena related to solar and interplanetary magnetic fields. Matthaeus has published numerous scholarly articles and has been involved in research that often intersects with astrophysics and understanding space weather.

William H. Schlesinger is a noted biogeochemist and environmental scientist, recognized for his research in areas such as ecosystem ecology, biogeochemistry, and climate change. He has contributed significantly to our understanding of nutrient cycling, particularly in terrestrial ecosystems. Schlesinger served as the Dean of the Nicholas School of the Environment at Duke University and has been involved in various scientific organizations and initiatives related to environmental science and policy.

William I. Rose is a notable geologist known for his work in the field of geology, particularly in volcanic processes and hazards. He has conducted extensive research on volcanic eruptions, lava flows, and the geological characteristics of volcanoes. His contributions to the field include both academic research and field studies, enhancing the understanding of volcanic activity and its implications for natural hazards. Rose has also been involved in educational efforts to disseminate knowledge about volcanic risks, as well as serving in various capacities within geological organizations.

William L. Chameides is an American atmospheric scientist known for his work in the fields of atmospheric chemistry and environmental science. He has contributed significantly to research on air quality, climate change, and the impacts of human activities on the atmosphere. Chameides has held various academic and administrative positions, including serving as the Dean of the Nicholas School of the Environment at Duke University. His work often intersects with policy and public awareness regarding environmental issues.

William Ruddiman is an American paleoclimatologist and geologist known for his work on climate change and the history of Earth's climate. He is particularly known for his research on the impact of human activities on the climate long before the Industrial Revolution. Ruddiman has proposed the "Early Anthropocene" hypothesis, which suggests that human agricultural practices began to influence the Earth's climate thousands of years ago, particularly through the release of greenhouse gases like carbon dioxide and methane.

Wolfgang H. Berger is a notable figure in the field of mathematics, particularly known for his contributions to analysis and mathematical finance. He has worked on various topics, including stochastic calculus and its applications in financial mathematics. Berger is also recognized for his academic publications and research in related areas.

"Yan Zheng" (严征) could refer to different things depending on the context, as it's a common name in Chinese. It could refer to a person, a place, or even a concept in various fields. Without additional context, it's difficult to pinpoint exactly what you're asking about.

Zvi Ben-Avraham is not widely recognized as a prominent figure in popular culture, academia, or current events as of my last update in October 2023. It is possible that he could be a private individual or someone known in a specific field that may not have garnered widespread attention.

Aarti Gupta is a computer scientist known for her work in the fields of formal methods, software verification, and program analysis. She has made significant contributions to the development of techniques and tools for ensuring the correctness and reliability of software systems. Gupta's research often focuses on topics such as model checking, abstract interpretation, and automated reasoning, which are essential for improving software quality and reliability. In her academic career, she has published numerous papers and has been involved in various research projects and collaborations.

Abigail Sellen is a noted researcher in the field of human-computer interaction (HCI). She is best known for her work on understanding the relationships between people and technology, particularly how technology can support communication and collaboration among individuals. Sellen has been involved in various projects and publications that explore topics such as digital memory, the social implications of technology, and the design of user interfaces that improve user experiences.

Adele Goldberg is an influential computer scientist known for her work in the fields of object-oriented programming and graphical user interfaces (GUIs). She is particularly recognized for her contributions to the development of Smalltalk, an early object-oriented programming language, which played a significant role in shaping modern programming concepts. Goldberg earned her Ph.D. from the University of California, Berkeley, and has had a prominent career in both academia and industry.

New Zealand materials scientists are researchers and experts based in New Zealand who specialize in the study, development, and application of materials. Their work encompasses a wide range of fields, including but not limited to: 1. **Metallurgy**: The study of metals, their properties, processing, and applications in various industries. 2. **Polymers and Plastics**: Research into synthetic and natural polymers, their properties, and innovative uses.

Abraham Silberschatz is a prominent computer scientist known for his contributions to database systems, operating systems, and information systems. He is a professor at the University of Texas at Austin and has authored or co-authored several influential textbooks and papers in the field of computer science. One of his most well-known works is the textbook "Database System Concepts," co-authored with Henry Korth and S. Sudarshan, which is widely used in academia for teaching database management systems.

Bernhard Schölkopf is a prominent German computer scientist known for his contributions to the fields of machine learning, statistics, and artificial intelligence. He is particularly recognized for his work on kernel methods, support vector machines, and his research in transfer learning, causal inference, and the theoretical foundations of machine learning.

Alfons Kemper refers to a specific individual or a term, but without additional context, it's not clear who or what you are referring to. There may be various people by that name or it could be a reference to a figure in a particular field, location, or event.

Allison Druin is a prominent figure in the field of human-computer interaction, particularly known for her work on children's technology and design. She has contributed significantly to understanding how technology can be effectively used to support children's learning and engagement. Druin is also recognized for her role in co-developing the concept of "co-design," involving children as active participants in the design process for technology aimed at them.