Probir Roy may refer to a specific individual or concept, but without additional context, it is difficult to provide a precise answer. If Probir Roy is a person, they may be known in specific fields such as academia, business, or the arts. There might also be literature, research, or projects associated with that name.

Rangaswamy Srinivasan is a prominent figure in the field of engineering, particularly known for his contributions to materials science and engineering. He is best known for his work in the areas of semiconductor materials and device fabrication, which has had a significant impact on advanced electronic devices. Srinivasan is also recognized for his role in academia, often serving as a professor and contributing to research in various areas related to materials and nanotechnology.

Pui-Kuen Yeung is not widely recognized in popular media or literature as of my last knowledge update in October 2023. It's possible that this name could refer to a person, a specific entity, or a topic that is not widely covered or recognized.

As of my last update in October 2023, there isn't any widely recognized individual or entity named Punit Boolchand in publicly available information. It's possible that he could be a private individual or a name that has not gained notoriety in mainstream media or literature.

Pupa Gilbert is a physicist known for her work in the fields of biophysics and materials science. She is particularly recognized for her research on the optical properties of biological systems and the study of biomineralization processes, which involve the formation of minerals by living organisms. Gilbert has also contributed to the understanding of how certain biological structures can influence light, leading to applications in areas such as photonics and biomimetic materials.

Qiming Zhang could refer to several things or people, but it is not a widely recognized term or name in popular culture or academia as of my last update.

Raffaele Mezzenga is a Swiss scientist known for his work in the fields of biomaterials and bioengineering. He has conducted research on various topics, including the development of materials for medical applications, nanotechnology, and the study of protein-based structures. His work often focuses on the interactions between biomolecules and the creation of functional materials that can be used in a variety of biomedical applications.

The history of Sinhala software spans several decades and reflects the broader advancements in technology and the specific needs of the Sinhala-speaking population, primarily in Sri Lanka. Here’s a brief overview of its development: ### Early Efforts (1980s-1990s) - **Initial Developments**: In the early days, there were limited resources for the Sinhala language on computers. The need for Sinhala software became apparent as computers became more common in Sri Lanka.

Raghuveer Parthasarathy is a distinguished Indian mathematician known for his contributions to various fields of mathematics, particularly in algebra and number theory. He has made significant advancements in the understanding of mathematical concepts and has published numerous research papers.

Raissa D'Souza is a prominent figure in the field of computer science, known for her contributions to areas such as data science, machine learning, and scientific computing. She is affiliated with the University of California, Davis, where she focuses on research that combines computer science and applied mathematics. D'Souza has published numerous papers and has been involved in various educational initiatives and programs aimed at advancing knowledge in computing and data analysis.

Robert Cava is a well-known figure in the field of materials science and physics. He is particularly recognized for his work in the area of condensed matter physics, especially regarding the properties and behaviors of various materials. His research often focuses on topics such as magnetism, superconductivity, and the development of novel materials with specific desirable characteristics.

Robert D. Maurer is a notable figure in the field of management and organizational development. He is well-known for his work on innovation, leadership, and change management. Maurer has authored several books and has been involved in developing methodologies that help organizations foster creativity and adaptability. He often emphasizes the importance of small, incremental changes rather than large, sweeping reforms as a way to achieve lasting transformation.

Ralph Hartley (1888–1970) was an American engineer and mathematician known for his contributions to information theory and telecommunications. He is particularly recognized for developing the Hartley function, which quantifies the amount of information or the capacity of a signal. In 1928, he introduced the concept of "Hartley's Law," which states that the amount of information is proportional to the logarithm of the number of possible outcomes.

Ralph Walter Graystone Wyckoff (1897–1978) was an influential American physicist, primarily known for his work in the field of crystallography. He is often credited with developing the Wyckoff positions, which are a key concept in the study of crystal structures. These positions describe the different ways in which atoms can be positioned in a crystal lattice and help to categorize the symmetries of crystal structures.

Ramamoorthy Ramesh is a prominent chemist known for his contributions to the field of materials science, particularly in the areas of nanotechnology and photonics. His research often focuses on the development of novel materials and technologies with applications in energy, electronics, and photonics. Ramesh has been involved in various scientific projects and has published numerous papers in high-impact journals.

Ramesh K. Agarwal is a notable figure in the field of engineering and applied mechanics, particularly recognized for his contributions to fluid dynamics, heat transfer, and computational methods. He is a professor at Washington University in St. Louis and has authored numerous research papers and books in these areas. Agarwal is often involved in advanced research related to aerodynamics, turbulence modeling, and the development of numerical simulation techniques. His work has significant implications in both academic research and practical engineering applications.

Raoul Kopelman is an American physicist known for his contributions to the fields of condensed matter physics, biophysics, and nanotechnology. He is particularly recognized for his work in the areas of spectroscopy and the study of materials at the nanoscale. Kopelman has published numerous research papers and holds multiple patents related to his work. Additionally, he has been involved in academia, teaching, and mentoring students in the field of physics.

Raphael David Levine is a prominent figure in the field of mathematics, particularly known for his contributions to mathematical logic and model theory. He has been recognized for his work in various areas, including algebra and set theory.

Rashid Bashir is a prominent figure known for his work in the field of bioengineering, particularly at the intersection of biology and engineering. He is recognized for his contributions to micro and nanoscale technologies for biomedical applications. As of my last update in October 2023, he has held academic positions and has been involved in research that often focuses on areas such as lab-on-a-chip technology, biosensors, and drug delivery systems.

Raymond Beausoleil is a Canadian criminal known primarily for his involvement in the Charles Manson family and the Tate-LaBianca murders in 1969. He was not directly involved in the murders but was associated with the Manson family during that period and later became a key figure in a separate notable crime case. Beausoleil was convicted for the murder of Gary Hinman, a musician, which was part of the Manson family's activities.