Murray Gell-Mann was an American theoretical physicist who played a preeminent role in the development of the theory of elementary particles. Gell-Mann introduced the concept of quarks as the fundamental building blocks of the strongly interacting particles, and the renormalization group as a foundational element of quantum field theory and statistical mechanics. He played key roles in developing the concept of chirality in the theory of the weak interactions and spontaneous chiral symmetry breaking in the strong interactions, which controls the physics of the light mesons. In the 1970s he was a co-inventor of quantum chromodynamics (QCD) which explains the confinement of quarks in mesons and baryons and forms a large part of the Standard Model of elementary particles and forces.
A quark is a type of elementary particle and a fundamental constituent of matter. Quarks combine to form composite particles called hadrons, the most stable of which are protons and neutrons, the components of atomic nuclei. All commonly observable matter is composed of up quarks, down quarks and electrons. Owing to a phenomenon known as color confinement, quarks are never found in isolation; they can be found only within hadrons, which include baryons and mesons, or in quark–gluon plasmas. For this reason, much of what is known about quarks has been drawn from observations of hadrons.
In theoretical physics, quantum chromodynamics (QCD) is the study of the strong interaction between quarks mediated by gluons. Quarks are fundamental particles that make up composite hadrons such as the proton, neutron and pion. QCD is a type of quantum field theory called a non-abelian gauge theory, with symmetry group SU(3). The QCD analog of electric charge is a property called color. Gluons are the force carriers of the theory, just as photons are for the electromagnetic force in quantum electrodynamics. The theory is an important part of the Standard Model of particle physics. A large body of experimental evidence for QCD has been gathered over the years.
Richard Phillips Feynman was an American theoretical physicist. He is best known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, the physics of the superfluidity of supercooled liquid helium, and in particle physics, for which he proposed the parton model. For his contributions to the development of quantum electrodynamics, Feynman received the Nobel Prize in Physics in 1965 jointly with Julian Schwinger and Shin'ichirō Tomonaga.
The strange quark or s quark is the third lightest of all quarks, a type of elementary particle. Strange quarks are found in subatomic particles called hadrons. Examples of hadrons containing strange quarks include kaons, strange D mesons, Sigma baryons, and other strange particles.
Sheldon Lee Glashow is a Nobel Prize-winning American theoretical physicist. He is the Metcalf Professor of Mathematics and Physics at Boston University and Eugene Higgins Professor of Physics, emeritus, at Harvard University, and is a member of the board of sponsors for the Bulletin of the Atomic Scientists.
Last of the Curlews is a novel, a fictionalized account of the life of the last Eskimo curlew. It was written by Fred Bodsworth, a Canadian newspaper reporter and naturalist, and published in 1954.
Sidney Richard Coleman was an American theoretical physicist noted for his research in high-energy physics.
"Surely You're Joking, Mr. Feynman!": Adventures of a Curious Character is an edited collection of reminiscences by the Nobel Prize–winning physicist Richard Feynman. The book, published in 1985, covers a variety of instances in Feynman's life. The anecdotes in the book are based on recorded audio conversations that Feynman had with his close friend and drumming partner Ralph Leighton.
In particle physics, the quark model is a classification scheme for hadrons in terms of their valence quarks—the quarks and antiquarks that give rise to the quantum numbers of the hadrons. The quark model underlies "flavor SU(3)", or the Eightfold Way, the successful classification scheme organizing the large number of lighter hadrons that were being discovered starting in the 1950s and continuing through the 1960s. It received experimental verification beginning in the late 1960s and is a valid and effective classification of them to date. The model was independently proposed by physicists Murray Gell-Mann, who dubbed them "quarks" in a concise paper, and George Zweig, who suggested "aces" in a longer manuscript. André Petermann also touched upon the central ideas from 1963 to 1965, without as much quantitative substantiation. Today, the model has essentially been absorbed as a component of the established quantum field theory of strong and electroweak particle interactions, dubbed the Standard Model.
Raymond Alexander Muzyka is a Canadian investor, entrepreneur and physician. Originally trained as a medical doctor and practicing as an emergency department and family physician after graduation, he is the co-founder of video game developer BioWare, and was CEO, senior vice president, and general manager of the BioWare label of Electronic Arts. In October 2012 he announced that he was embarking on a 'third career' mentoring and angel investing in technology, new media, medical and social entrepreneurs, and impact investing at ThresholdImpact.
Robert Eugene Marshak was an American physicist, educator, and eighth president of the City College of New York.
Redwood High School is a public secondary school located in the city of Larkspur, Marin County, California, approximately 11 miles north of San Francisco. Redwood High is part of the Tamalpais Union High School District (TUHSD). The school serves the cities of Belvedere, Corte Madera, Greenbrae, Kentfield, Larkspur, Ross, and Tiburon.
The AmericanAcademy of Achievement, colloquially known as the Academy of Achievement, is a nonprofit educational organization that recognizes some of the highest-achieving people in diverse fields and gives them the opportunity to meet one another. The academy also brings together the leaders with promising graduate students for mentorship. It hosts an International Achievement Summit, which ends with an awards ceremony, during which new members are inducted into the academy.
Envision EMI, LLC is a privately held, for-profit, tuition-based education company that creates, markets, and runs career exploration and leadership development programs for students in elementary school through college. The company manages twenty unique summer educational programs, including programs in Government and Leadership, Law, CSI, Medicine, Mass Media, Gaming and Technology, Engineering, National Security, Business Innovation, and Early STEM Exploration. Many of Envision's programs are held at university and college campuses. In addition, the company has collaborated with several national universities, including Stanford University for its Advanced Emergency Medicine, and Intensive Law & Trial programs, Rice University for the Rice University Aerospace & Aviation Academy, and George Mason University for its Game & Technology Academy.
Mary McFadden was an American art collector, editor, fashion designer, and writer. She designed pleated dresses which were popular with women in high society.
826 Valencia is a non-profit organization in the Mission District of San Francisco, California, United States, dedicated to helping children and young adults develop writing skills and to helping teachers inspire their students to write. It was the basis for the 826 National organization, which has centers on the United States with the same goal.
Shoichi Sakata was a Japanese physicist and Marxist who was internationally known for theoretical work on the subatomic particles. He proposed the two meson theory, the Sakata model, and the Pontecorvo–Maki–Nakagawa–Sakata neutrino mixing matrix.
The Dalai Lama Center for Peace and Education is an international charitable organization and education center in Vancouver, British Columbia, Canada. Established in 2005, the center's mission is to "educate the hearts of children by informing, inspiring, and engaging the communities around them."
Premlata Agrawal is the first Indian woman to scale the Seven Summits, the seven highest continental peaks of the world. She was awarded the Padma Shri by the Government of India in 2013 and Tenzing Norgay National Adventure Award in 2017 for her achievements in the field of mountaineering. On 17 May 2011, she became the oldest Indian woman to have scaled the world's tallest peak, Mount Everest (29,032 ft.); at the age of 48 years at that time while Sangeeta Sindhi Bahl hailing from Jammu and Kashmir broke Premlata's record on 19 May 2018 and became the oldest Indian woman to climb Mount Everest at the age of 53.
