One prominent 20th-century physicist from Northern Ireland is John Stewart Bell (1928–1990). Bell was known for his significant contributions to quantum mechanics, particularly for what is now known as Bell's Theorem, which addresses the fundamental nature of quantum entanglement and the philosophical implications of quantum theory. His work has had a profound impact on the interpretation of quantum mechanics and experiments related to it.

As of my last knowledge update in October 2023, there doesn't appear to be a widely recognized individual or concept specifically known as "Alexander Rankine." However, the name "Rankine" is often associated with the Rankine scale, a thermodynamic temperature scale used in engineering and thermodynamics, particularly in the context of steam and power systems. The scale is named after William John Macquorn Rankine, a Scottish engineer and physicist.

Arthur Mannering Tyndall appears to be a relatively obscure or less well-known figure, as there is limited information readily available about him in widely accessible sources. It is possible that he could be associated with a specific field, locality, or historical context that is not extensively documented.

Caroline Anne Ross is a notable figure in the field of geography, particularly known for her work on interdisciplinary approaches to understanding urban and regional issues, including the socio-economic dynamics of urban spaces. She may have contributed to discussions around sustainable urban development, planning, and geographic information systems (GIS).

Charles Thomson Rees Wilson (1869–1959) was a Scottish physicist and meteorologist best known for his invention of the cloud chamber, a device that allows the visualization of the paths of charged particles. His work in this area was crucial for the development of particle physics and contributed to the understanding of ionizing radiation.

David H. Lyth is a notable theoretical physicist known for his work in cosmology, particularly in the fields of inflationary theory and the physics of the early universe. He has made significant contributions to the understanding of how the universe expanded and cooled after the Big Bang, and his research often focuses on the implications of cosmic inflation for the formation of large-scale structures in the universe.

David Sherrington is a British physicist known for his contributions to the fields of condensed matter physics, statistical mechanics, and the theory of disordered systems. He is particularly recognized for his work on spin glasses and the physics of complex systems. Sherrington is perhaps best known for the Sherrington-Kirkpatrick model, which he co-developed with Daniel Kirkpatrick.

David Tabor can refer to a number of individuals or entities depending on the context. One notable individual is David Tabor, a prominent figure in the field of physics, particularly known for his work in materials science and engineering.

Dennis W. Sciama (1926–2012) was a British physicist and a prominent figure in the field of cosmology. He is best known for his contributions to the understanding of the universe's structure and evolution, particularly in relation to the Big Bang theory and the development of the cosmological concepts that led to modern astrophysics.

Dirk ter Haar is not a widely recognized figure or topic as of my last knowledge update in October 2023. It’s possible that you are referring to a specific person, place, or concept that might be relevant in certain contexts, such as academia, local history, or specific industries.

Nicholas Kemmer (1911–1998) was a prominent physicist known for his contributions to the field of particle physics. Born in Russia, he later moved to England, where he played a significant role in developing the theory of mesons and their interactions. Kemmer is particularly known for Kemmer's theory, which describes the behavior of scalar and vector mesons. His work has been influential in advancing the understanding of fundamental particles and their interactions within the framework of quantum mechanics.

Ernest Marsden was a notable British physicist best known for his work in early atomic physics. He was born on March 15, 1889, and is most famously associated with the gold foil experiment conducted with Ernest Rutherford in 1909, which provided significant evidence for the nuclear model of the atom.

Frances Saunders is a scientist known for her work in the field of chemistry, particularly in the area of chemical physics and the study of materials. She has made contributions to understanding the properties and behavior of various materials, often focusing on their molecular and atomic structure. Saunders has published research papers and may have been involved in academic or industrial collaborations.

Frank Philip Bowden (1858-1938) was a notable British entrepreneur, best known for his association with the Bowden Cable Company. He played a significant role in the development and popularization of the Bowden cable, a type of flexible cable used for controlling mechanisms in various applications, including bicycles and motor vehicles. The Bowden cable allows for the remote operation of devices, and its design has influenced many mechanical systems that require cable-operated controls.

"Discoveries" by Hendrik van Gent is a work that explores themes related to discovery and exploration, likely incorporating aspects of adventure, personal growth, and perhaps scientific or philosophical inquiry. While specific details about the book may not be widely known, the author, Hendrik van Gent, may focus on the journey of understanding oneself and the world.

As of my last update in October 2023, there wasn't any widely known public figure or concept specifically associated with the name "Gillian Gehring." It's possible that she could be an emerging individual in a certain field, or related to a particular context that has become relevant after that date.

Graham Ross is a theoretical physicist known for his work in particle physics, particularly in the areas of grand unified theories and supersymmetry. He has made significant contributions to the understanding of the unification of fundamental forces and the implications of various theoretical models in high-energy physics. Ross has also been involved in research related to the cosmological implications of particle physics, including the relationship between particle physics and cosmology.

Harold Taylor (born 1964) is an American polymath known for his diverse contributions across various fields, including mathematics, artificial intelligence, writing, and education. He has been involved in research and projects that bridge multiple disciplines, reflecting a broad intellectual curiosity and expertise. His work often emphasizes the importance of interdisciplinary approaches and innovative thinking. Taylor's research interests may span areas such as cognitive science, technology's impact on education, and creativity in problem-solving.

"Harry Boot" typically refers to a character from the British children's television series "Harry and His Bucket Full of Dinosaurs." The show features a young boy named Harry who explores a whimsical world with his dinosaur friends, all of whom come from his bucket full of toys.

Henry Rainsford Hulme (1886–1963) was a notable English biochemist and zoologist known for his contributions to the field of marine biology and biochemistry. He held various academic positions throughout his career and made significant advancements in understanding metabolic processes in marine organisms. Hulme's research has had a lasting impact on the study of both biochemistry and zoology.