As of my last knowledge update in October 2021, there is no widely known public figure or concept by the name of Rakesh Popli. It is possible that he may be a private individual, or he could have gained prominence after that date.

Rama Govindarajan could refer to a specific individual, but in general, the name does not have a widely recognized or singular meaning in the public domain. It's possible that Rama Govindarajan may refer to a person involved in academics, research, arts, business, or another field.

Ramakrishna V. Hosur is an academic and researcher known for his contributions to the field of chemistry, particularly in areas such as solid-state chemistry, materials science, and nanotechnology. He has published numerous research papers and has been involved in various academic and professional organizations.

André Zaoui is a relatively lesser-known figure, and specific information about him may not be widely available.

Tammy Ma is a prominent physicist known for her work in the field of plasma physics and fusion energy. She is affiliated with the Lawrence Livermore National Laboratory (LLNL) in California, where she has made significant contributions to research on inertial confinement fusion and plasma dynamics. Her research often focuses on the development of advanced techniques and technologies for nuclear fusion, which is seen as a potential source of sustainable and virtually limitless energy.

Ramamurti Rajaraman is an Indian theoretical physicist known for his contributions to the fields of condensed matter physics, quantum mechanics, and the philosophical implications of physics. He is particularly recognized for his work on various topics in quantum theory, statistical mechanics, and the foundations of physics. Rajaraman's work often intersects with the educational and interpretive aspects of physics, and he has been involved in popularizing complex scientific concepts to a broader audience.

Pierre Colmez is a French mathematician known for his contributions to various areas of mathematics, particularly in number theory and algebraic geometry. One of his notable works includes research on p-adic analysis and the interplay between number theory and algebraic structures. Colmez is also recognized for his efforts in mathematics education and for writing accessible mathematical literature.

Ramanujan Srinivasan is a name that may refer to a person, but without specific context, it's hard to provide a precise answer. It's possible that the name refers to an individual involved in academia, mathematics, or another field. The name "Ramanujan" is notably associated with Srinivasa Ramanujan, an Indian mathematician who made significant contributions to mathematical analysis, number theory, infinite series, and continued fractions in the early 20th century.

Ramesh Chandra Majumdar is an Indian physicist known for his work in the fields of condensed matter physics and material science. He has made significant contributions to the understanding of various physical phenomena and materials, engaging in both theoretical and experimental research. His work often involves the study of electronic properties of materials, phase transitions, and other related areas. He may be affiliated with research institutions or universities, contributing to academic publications and collaborating with other scientists in the field.

As of my last knowledge update in October 2023, there isn't any well-known figure or entity specifically named "Ranjan Roy Daniel" in popular databases or media. It's possible that he could be a private individual, a local figure, or someone who has gained prominence after my last update.

Ratan Kumar Sinha is not a widely recognized public figure or concept as of my last update in October 2023. He may be a person with local significance in a certain field or region, but there isn't a notable or prominent association with that name in general knowledge or popular culture. If you provide more context or specify the area (such as science, politics, arts, etc.

Renu Malhotra is a common name and could refer to various individuals across different fields. One prominent figure with this name is a renowned Indian astrophysicist known for her work in the field of planetary science, particularly in the study of planetary atmospheres and the dynamics of planets and their moons.

Ruchi Ram Sahni (1863-1943) was an Indian archaeologist, historian, and educator known for his contributions to the study of Indian history and archaeology. He played a significant role in the development of archaeology in Punjab and was instrumental in the establishment of educational institutions in the region. Sahni's work involved excavations, research on ancient Indian civilization, and efforts to document and preserve cultural heritage. He is remembered for his dedication to promoting awareness of India's historical and cultural legacy.

Georg Feigl is not a widely recognized figure in public discourse or prominent fields as of my last update in October 2021. It's possible that you might be referring to a specific individual or a context that has emerged more recently.

S. Pancharatnam (often referred to as S. Pancharatnam) was a renowned Indian physicist known for his significant contributions to the field of optics and photonics. He was active in the mid-20th century and is particularly celebrated for his work on polarization and the Pancharatnam phase — a concept that describes the geometric phase acquired by a light wave as it is reflected or refracted.

Sajeev John is a physicist known for his work in the fields of condensed matter physics and optics. He has made significant contributions to the understanding of light-matter interactions, particularly in the context of photonic crystals and quantum optics. His research often explores the implications of these interactions for technology and scientific applications, including advancements in photonic devices.

Samir D. Mathur is a theoretical physicist known for his work in string theory, black holes, and quantum gravity. He is particularly noted for his contributions to the understanding of the nature of black holes in the context of string theory and the AdS/CFT correspondence. Mathur has worked on topics such as the information paradox associated with black holes and has proposed models to explain how black holes can reconcile quantum mechanics with general relativity.

Gian Francesco Giudice is an Italian physicist known for his work in theoretical physics, particularly in the fields of particle physics and cosmology. He is a researcher at the Italian National Institute for Nuclear Physics (INFN) and has made significant contributions to the understanding of fundamental interactions and theories concerning the early universe. His work often involves mathematical modeling and theoretical exploration of phenomena related to high-energy physics.

Shasanka Mohan Roy is not a widely recognized name in mainstream culture or history, and there is limited publicly available information about an individual by that name. If you are referring to a specific person, such as an artist, scholar, or public figure, their significance may be specialized or regional.

Sisir Kumar Mitra was an influential Indian scientist and educator, known primarily for his work in the fields of physics and geophysics. He made significant contributions to atmospheric science and is often best remembered for his research on the ionosphere and its impact on radio wave propagation. Mitra also played a crucial role in education and the establishment of research institutions in India.