Rubin Braunstein was an American mathematician known for his work in the field of topology, particularly in relation to algebraic topology and homotopy theory. He made contributions in various areas of mathematics, including the study of algebraic structures and their applications to topology. His work has influenced various aspects of mathematics and has been recognized for its depth and originality.

Russell J. Donnelly is a physicist known for his work in the field of condensed matter physics, particularly in relation to superfluidity and quantum fluids. He has made significant contributions to the understanding of the properties of superfluid helium, among other topics. Donnelly has published numerous scientific papers and has been involved in various academic and research initiatives throughout his career.

In the context of differential geometry and algebraic geometry, a **P-basis** typically refers to a basis for a vector space that is relevant to a particular property or structure denoted by "P." The term can have different meanings depending on the specific field or application; for instance: 1. **In Linear Algebra**: A P-basis could refer to a basis of a module or vector space that fulfills certain properties defined by "P.

Rutherford scattering is a phenomenon observed in the early 20th century that provided critical insights into the structure of the atom. It was first conducted by the physicist Ernest Rutherford in 1909 during experiments designed to investigate the properties of atomic structure, particularly the nucleus. In the experiment, Rutherford directed a beam of alpha particles (which are positively charged helium nuclei) at a thin foil of gold.

Ruth Rice Puffer was an American artist known for her contributions to the field of visual arts, particularly in painting and printmaking. Her work often explored themes of nature and personal experience, and she gained recognition for her unique style and technique. In addition to her artistic endeavors, Puffer was involved in teaching and fostering creativity in others.

R. W. H. T. Hudson does not appear to be a widely recognized term, entity, or acronym in commonly available information sources up to October 2023. It might refer to an individual, a specific concept, or an organization that is not well-known outside a particular context.

Sabrina Stierwalt is an astrophysicist and educator known for her work in the field of astronomy and her efforts to promote science communication and education. She has been involved in research related to galaxies and their formation, as well as public outreach to engage wider audiences in scientific topics. Stierwalt is also known for her ability to connect with non-expert audiences, making complex scientific concepts more accessible.

Safari is a web browser developed by Apple Inc. It was first released in 2003 as part of the Mac OS X operating system and has since become the default web browser for Apple's macOS and iOS operating systems. Safari is known for its speed, efficiency, and user-friendly interface. Key features of Safari include: 1. **Performance**: Safari is optimized for Apple's hardware and software, often leading to better performance and battery efficiency on Mac and iOS devices compared to other browsers.

Sailors have a long history of superstitions, many of which stem from their reliance on the sea and the unpredictable nature of maritime life. Here are some common superstitions associated with sailors: 1. **Bamboo on Board**: It's considered bad luck to have bamboo on a ship, as it is thought to bring misfortune. 2. **Whistling**: Whistling on a ship is often seen as a bad omen.

Sally Dawson is a theoretical physicist known for her work in particle physics and, in particular, for her contributions to the understanding of hadron collisions and the properties of the strong force. While her primary research has focused on theoretical aspects of high-energy physics, she has also been involved in various committees and leadership roles within the physics community.

Samarendra Nath Biswas may refer to an individual, but it’s unclear without additional context as this name could belong to multiple people in different fields.

"Tabula rasa" is a Latin phrase that means "blank slate." The concept is often used in philosophy, psychology, and educational theory to describe the idea that individuals are born without built-in mental content and that all knowledge comes from experience or perception. The notion suggests that humans are shaped by their environment and experiences rather than having innate ideas or predispositions.

As of my last knowledge update in October 2023, there doesn't appear to be a widely recognized figure or concept specifically called "Samuel Greenhouse." It's possible that it could refer to a person who may be known in a specific context, such as local news, a niche academic field, or a fictional character.

Samuel von Pufendorf (1632-1694) was a prominent German philosopher, jurist, and historian during the late 17th century. He is best known for his contributions to the fields of natural law and political philosophy. Pufendorf's works helped to lay the foundations for modern theories of social contract and natural rights. One of his key ideas was the notion that human beings are social by nature and that society is formed through mutual agreements based on natural law.

Samuil Micu-Klein, often referred to simply as Samuil Micu, was a Romanian poet, translator, and literary figure born in 1810 and passing away in 1872. He is known for his contributions to Romanian literature and for his role in promoting the use of the Romanian language in literature.

Sander P. Zwegers does not appear to be a widely recognized public figure or concept as of my last knowledge update in October 2023.

The Schwinger limit, named after physicist Julian Schwinger, refers to the threshold electric field strength at which quantum electrodynamic (QED) effects become significant enough to cause the production of electron-positron pairs from the vacuum. This phenomenon is known as "pair production" and is a prediction of quantum field theory.

Sandra Cauffman is an accomplished engineer and NASA official known for her significant contributions to space science and technology. As of my last update, she served as the Deputy Project Manager for the Earth Science Division at NASA. Cauffman has been involved in various projects and missions related to Earth observation and climate research. She is also recognized for her inspiring personal story, having emigrated from Costa Rica to the United States at a young age.