Amanda Petford-Long is a British scientist known for her research in the fields of biology and biochemistry, specifically related to microfluidics and stem cell research. She has contributed to advancements in understanding cellular behavior and engineering applications.

As of my last update in October 2021, Alec Merrison doesn't appear to be a widely recognized public figure or entity. It's possible that he could be a private individual or someone who gained recognition after that date.

David Hutchinson is a physicist known for his work in the field of plasma physics and his contributions to various areas of research such as nuclear fusion, astrophysics, and related energy sciences. However, specific details about his career or notable achievements may not be widely documented in popular sources.

Carey Foster can refer to a few different things, but it is primarily known as the name of a 19th-century British scientist and mathematician, who was particularly influential in the field of electrical engineering and physics. Carey Foster is most famous for developing the "Foster's bridge," which is a device used for measuring the resistance of electrical circuits.

As of my last knowledge update in October 2023, there isn't known information or widely recognized references related to an individual named Christopher Sachrajda. It’s possible he may not be a public figure or may have emerged after that date.

George Nugent Merle Tyrrell, often simply known as Merle Tyrrell, was a British artist born in 1883 and known for his work as a painter and illustrator. He is notable for his contributions to the fields of portraiture and landscape painting, and he produced a range of artworks throughout his career. Tyrrell was also involved in illustration and design for various publications.

Frank Close is a British theoretical physicist and author, known for his work in the field of particle physics and his efforts to popularize science. He has written several books aimed at making complex scientific concepts accessible to the general public. Close has held academic positions, including being a professor at the University of Oxford, and has contributed significantly to the understanding of fundamental particles and the forces that govern them. Additionally, he has been involved in outreach and education, promoting the importance of science in society.

Ian Fisher is a physicist known for his work in the fields of condensed matter physics, particularly in the study of complex materials, superconductors, and correlated electron systems. He is affiliated with academic institutions and has contributed to various studies and research on the properties of materials at the atomic level. Fisher's research often involves experimental techniques to understand the behavior of materials under different conditions, exploring their electrical, magnetic, and thermal properties.

Grenville Turner is not a widely recognized term or figure as of my last knowledge update in October 2023. It’s possible that it could refer to a specific individual, a brand, a fictional character, or something that has emerged more recently.

Henry Shull Arms is a specific term that might refer to a location or entity, but it does not appear to have widespread recognition or significance in popular culture, history, or notable events based on the information available until 2023. It could potentially be a business, a brand, or a facility related to firearms or outdoor equipment, given the context of "arms.

John G. Taylor may refer to a variety of individuals or entities, depending on the context. Without more specifics, it’s difficult to provide a precise answer. Some notable individuals with that name could include scholars, authors, or professionals in various fields. If you are referring to a specific John G. Taylor, he may be known for contributions in areas such as mathematics, science, literature, or elsewhere. There may also be fictional characters or businesses associated with that name.

John Hasted is a prominent British scientist and author known for his work in the fields of physics and the study of parapsychology. He has written extensively on topics related to physics, consciousness, and the intersection of science and spirituality. Hasted is recognized for his explorations into phenomena that challenge traditional scientific understanding. Notably, he is also involved in discussions about the potential connections between science and paranormal experiences.

John Rarity does not appear to be a widely recognized term or concept in public knowledge or popular culture as of my last update in October 2023. It could refer to a specific individual's name or a lesser-known term.

Martin Freer is a professor of nuclear physics, notably recognized for his research in the fields of nuclear structure and astrophysics, particularly related to nuclear reactions and the behavior of nuclear materials. His work often involves studying the properties of exotic nuclei and their implications for understanding both fundamental physics and astrophysical processes.

Martin Rees is a prominent British cosmologist and astrophysicist, known for his work in the fields of astronomy and theoretical physics. He was born on June 23, 1942, and has made significant contributions to our understanding of the universe, including topics such as black holes, galaxy formation, and the nature of cosmic structure. Rees has held various prestigious academic positions, including serving as the Astronomer Royal in the UK and as a professor at the University of Cambridge.

Paul Black is a prominent educational researcher, well-known for his work in assessment, particularly formative assessment, and its impact on learning. He is perhaps best known for co-authoring the influential paper “Inside the Black Box: Raising Standards Through Classroom Assessment” in 1998 with Dylan Wiliam. This paper emphasized the importance of formative assessment in the classroom and provided evidence that effective assessment practices can significantly enhance student learning outcomes.

As of my last update in October 2023, Paula Chadwick is not widely recognized as a public figure, and there may be multiple individuals with that name in various fields. If you are referring to a specific Paula Chadwick related to a particular profession, event, or context (such as politics, arts, academia, etc.

Peter Fellgett is a British scientist known for his pioneering work in the field of optics and photonics. He is particularly recognized for his contributions to imaging technology and has developed significant advancements in photographic and sensor technology. Fellgett is also known for the Fellgett Advantage, which refers to the improved signal-to-noise ratio in imaging systems that utilize certain techniques in optics and detection.

Peter Littlewood may refer to a few notable figures, primarily in the fields of physics and academia. One prominent individual by that name is a theoretical physicist known for his work in condensed matter physics and quantum materials. He has held various academic and research positions, including at institutions like the University of Chicago, where he has contributed significantly to the understanding of quantum mechanics and materials science.

As of my last update in October 2021, "Linda Chang" could refer to a variety of individuals, as it is a relatively common name. Without additional context, it's difficult to determine exactly who or what you're referring to. It might relate to a specific person in a particular field, such as academia, business, or the arts, or it could refer to a fictional character.