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Laurie Brown (physicist)

Laurie Brown (physicist) is a physics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Laurie Brown (physicist) rather than just read about it. In short: Laurie Mark Brown (April 10, 1923 – October 25, 2019) was an American theoretical physicist and historian of quantum field theory and elementary particle physics. Life and career Laurie Mark Brown was born in Kings, New York on April 10, 1923.

Key takeaways

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  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Laurie Brown (physicist) to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Laurie Brown (physicist) from memory before moving on to harder problems.

Reference excerpt

Laurie Mark Brown (April 10, 1923 – October 25, 2019) was an American theoretical physicist and historian of quantum field theory and elementary particle physics.

Life and career Laurie Mark Brown was born in Kings, New York on April 10, 1923. He studied at Cornell University, where in 1951 he received his Ph.D. under Richard Feynman. From 1950 he was on the faculty of the physics department of Northwestern University, where he became a tenured professor and eventually retired as professor emeritus. For the academic year 1952–1953 he was at the Institute for Advanced Study. For the academic years 1958–1959 and 1959–1960 he was a Fulbright Scholar in Italy. In 1966 he was an IEA professor at the University of Vienna. From 1960 to 1970 he served as a consultant for Argonne National Laboratory and the Laboratory's Accelerator Committee. Brown was one of the leading science historians for the development of quantum field theory and elementary particle physics, especially in the era after 1945. During the 1990s one focus of his work was the history of modern physics in Japan. He was the editor for Feynman's Thesis: A New Approach to Quantum Physics (2005), Selected Papers of Richard Feynman, with Commentary (2000), and (with John Rigden as co-editor) Most of the Good Stuff: Memories of Richard Feynman (1993). Brown was one of the founders of the Forum on History of Physics of the American Physical Society and was the chair of the Forum in 1984 and again in 1989. He was a member of the American Association for the Advancement of Science and a member of the History of Science Society. In 1961 he was elected a Fellow of the American Physical Society. Brown died on October 25, 2019, at the age of 96.

Selected publications Brown, Laurie M. (1958). "Two-component fermion theory". Phys. Rev. 111 (3): 957–965. Bibcode:1958PhRv..111..957B. doi:10.1103/PhysRev.111.957. as editor with Lillian Hoddeson: The birth of particle physics (International Symposium on the history of particle physics, Fermilab 1980). Cambridge University Press. 1983.; Brown, Laurie M.; Hoddeson, Lillian (1986). pbk. edition. CUP Archive. ISBN 9780521338370. with Donald F. Moyer: Brown, Laurie M.; Moyer, Donald F. (1984). "Lady or tiger?—The Meitner–Hupfeld effect and Heisenberg's neutron theory". American Journal of Physics. 52 (2): 130–136. Bibcode:1984AmJPh..52..130B. doi:10.1119/1.13920. with Max Dresden and Lillian Hoddeson: Pions to Quarks: Particle physics in the 1950s (based on a Fermilab symposium). Cambridge University Press. 1989. with Tian Yu Cao: Brown, Laurie M.; Cao, Tian Yu (1991). "Spontaneous breakdown of symmetry: Its rediscovery and integration into quantum field theory". Historical Studies in the Physical and Biological Sciences. 21 (2): 211–235. doi:10.2307/27757663. JSTOR 27757663. as editor: Renormalization: from Lorentz to Landau and beyond. Springer. 1993. as editor with Abraham Pais and Brian Pippard: Twentieth Century Physics. Vol. 3 vols. (2nd ed.). IOP. 1995. with Helmut Rechenberg: Origin of the concept of nuclear forces. Taylor and Francis. 1996. ISBN 9780750303736. as editor with Lillian Hoddeson, Michael Riordan, and Max Dresden: The rise of the standard model. A history of particle physics from 1964 to 1979. Cambridge University Press. 1997. ISBN 9780521578165. Brown, Laurie M. (2002). "The Compton Effect as One Path to QED". Studies in History and Philosophy of Modern Physics. 3 (2): 211–249. Bibcode:2002SHPMP..33..211B. doi:10.1016/S1355-2198(02)00005-9. Brown, Laurie M. (2006). "Paul A. M. Dirac's Principles of Quantum Mechanics". Physics in Perspective. 8 (4): 381–407. Bibcode:2006PhP.....8..381B. doi:10.1007/s00016-006-0276-4. S2CID 120303937.

References

Worked examples

Example 1 — a first encounter with Laurie Brown (physicist)

Start with the simplest possible case. Write down what Laurie Brown (physicist) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Laurie Brown (physicist) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Laurie Brown (physicist) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Laurie Brown (physicist)

In research
Laurie Brown (physicist) appears in physics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Laurie Brown (physicist) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Laurie Brown (physicist) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1923 births, 2019 deaths, 20th-century American physicists, so understanding it makes those chapters shorter.
In everyday life
Look for Laurie Brown (physicist) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Laurie Brown (physicist) in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Laurie Brown (physicist) means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Laurie Brown (physicist) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Laurie Brown (physicist) in simple terms?

Laurie Mark Brown (April 10, 1923 – October 25, 2019) was an American theoretical physicist and historian of quantum field theory and elementary particle physics. Life and career Laurie Mark Brown was born in Kings, New York on April 10, 1923.

Why does Laurie Brown (physicist) matter?

Because it connects several physics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Laurie Brown (physicist)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Laurie Brown (physicist).

Tags

  • 1923 births
  • 2019 deaths
  • 20th-century American physicists
  • 21st-century American physicists
  • American historians of science
  • American quantum physicists
  • American theoretical physicists
  • Cornell University alumni
  • Fellows of the American Physical Society
  • Northwestern University faculty
  • Scientists from New York City

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