David H. Levy is an accomplished astronomer, author, and educator, best known for his work in amateur astronomy and his contributions to the discovery and observation of comets. He has discovered several comets himself, including Comet Levy (C/1990 L1), and is a co-discoverer of the famous comet Shoemaker-Levy 9, which collided with Jupiter in 1994.

Hermann Bondi (1919–2005) was an Austrian-born British mathematician and physicist, best known for his contributions to cosmology and general relativity. He is particularly recognized for his work in establishing the "Bondi accretion," a model that describes how matter can accumulate in gravitational fields, particularly relevant in astrophysical contexts.

Vijay Balakrishna Shenoy is a notable figure in the field of computer science and engineering. He is well-known for his contributions to operating systems, distributed systems, and computer networking. His research and academic work have made significant impacts in these areas.

Christa Peters-Lidard is a prominent figure in the field of hydrology and Earth sciences. She is known for her work in modeling and understanding land-atmosphere interactions, as well as her contributions to hydrology and climate research. Peters-Lidard has been involved in various projects and initiatives related to hydrological modeling, water resource management, and the impacts of climate change on water systems. In addition to her research, she has held leadership positions within academic institutions and organizations.

David Gubbins is a prominent figure in the field of geophysics, particularly known for his work on the relationships between geological processes and the Earth's magnetic fields. He has contributed significantly to the study of rock magnetism and paleomagnetism, which involves the study of the magnetic properties of rocks to understand the historical behavior of the Earth's magnetic field.

Deborah Kelley might refer to multiple individuals, but one notable person by that name is a scientist known for her work in the field of astronomy and space science. She has made contributions to the study of planetary atmospheres and has been involved in various research projects related to space exploration.

Dorothy Hall is a notable figure in the field of science, specifically recognized for her contributions to the study of mycology and botany. She is perhaps best known for her work related to plant diseases and her research on fungal pathogens. Hall has also been noted for her role in education and for promoting scientific knowledge in her area of expertise. Though she may not be widely recognized outside of her specific field, her contributions have made a significant impact on the understanding of plant health and disease management.

Fran Bagenal is an American astrophysicist known for her work in planetary science, particularly concerning the study of the outer planets in our solar system. She has been involved in significant space missions, such as the Galileo mission to Jupiter and the New Horizons mission to Pluto. Bagenal's research often focuses on the atmospheres, magnetospheres, and icy moons of these distant worlds, helping to expand our understanding of their compositions and behaviors.

Heidi Nepf is an environmental engineer and professor known for her work in the fields of hydrodynamics, coastal systems, and ecological engineering. She is particularly recognized for her research on the interactions between flow, sediment transport, and vegetation, and how these dynamics affect ecosystems, especially in aquatic environments. Nepf's work often addresses issues related to river and wetland restoration, and she has published numerous studies on the behavior of water flow in relation to plants and porous media.

Ian McDougall is a prominent geologist known for his contributions to the fields of geochronology and petrology. He has made significant advancements in the use of isotopic dating techniques, particularly those involving potassium-argon (K-Ar) dating, which is essential in determining the ages of volcanic rocks and understanding geological processes. His research has focused on various aspects of Earth sciences, including the geological history of Australia and the geological processes occurring at plate boundaries.

Jane Selverstone is a professor and an expert in the field of geology, specifically known for her work on sedimentary geology and sedimentary basins. She may also be recognized for her contributions to academic research and education in geology.

John F. Mustard is a notable scientist and professor, primarily recognized for his work in the fields of earth and planetary sciences, particularly related to remote sensing and planetary geology. He is associated with the Department of Earth and Environmental Sciences at Columbia University. His research often focuses on the geological history of planetary bodies, including Mars, and utilizes data from various space missions.

Karen M. Fischer is likely a notable figure in a specific field, but without additional context, it's difficult to pinpoint exactly who she is, as there may be several individuals with that name.

Martha Savage could refer to various subjects, including a person’s name, but without more specific context, it's hard to pinpoint exactly what you're asking about. She could be a historical figure, an artist, or a fictional character, among other possibilities.

"Mian Chin" refers to a type of Chinese noodle dish, known for its chewy texture and often served in soups or stir-fried dishes. The name may also refer to a specific regional specialty, depending on context. If you mean "Mianjin" (often spelled "Mianjin" in English) and are referring to a location, it could be short for "Beijing". However, without more context, it's difficult to determine the exact meaning.

Michelle Thomsen is recognized as a scientist and researcher in the field of planetary science and astrophysics, particularly known for her work related to space missions and planetary atmospheres. She has contributed to the understanding of magnetic fields, plasma interactions, and their effects on planetary environments.

Larry Mayer could refer to multiple individuals, as it is a common name. One notable person is Larry Mayer, a professor specializing in geophysics and geology, who is known for his work in the field of Earth sciences, including studies related to glacial and climatic processes.

Richard Alley is an American geologist and climate scientist known for his research in glaciology and climate change. He is a professor at Penn State University and has contributed significantly to understanding past climate change through ice core studies, particularly from the polar regions. Alley has published numerous scientific papers and has been involved in various research projects that examine the interactions between ice sheets, sea levels, and climate systems.

Robert Thunell is a notable figure in the field of marine geology and oceanography. He is well known for his research on the dynamics of oceanic processes, particularly in relation to sediment transport and the interactions between the ocean and climate. Thunell has contributed significantly to our understanding of the geological record of oceanic changes over time, often using sediment cores to analyze past ocean conditions.

Roger G. Barry is a prominent figure in the field of geography and glaciology, known for his research on the cryosphere, climate change, and environmental science. He has contributed significantly to the understanding of snow and ice, particularly in relation to global climate patterns. Barry is also recognized for his work in education and has been involved in various academic institutions, where he has helped advance the study of physical geography and its applications. Additionally, he has authored several books and research articles on related topics.