Questions tagged [biographical-details]
For questions about the details of a particular scientist's life.
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Biographical informations on Igor Ado
Ado's Theorem is a very reelvant result in Lie theory (every finite-dimensional Lie algebra is isomorphic to a matrix Lie algebra).
I've been, however, unable to find anything more than very basics ...
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1answer
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Explanation of Gauss's late fragments dealing with “the conformal image of the ellipse”
My question refers to some not very well known fragments of Gauss that treat the problem of finding a conformal mapping (angle-preserving mapping) in the complex plane from the interior of the ellipse ...
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Clarification of some pages from Gauss's nachlass dealing with “convergence of developement of midpoint equation”
Yesterday i took my time to look again into Schlesinger's essay on Gauss's contributions to analysis, and i found something new i didn't know about (so it caught my eye) in the last subsection of the ...
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Has anything survived of the work of alleged science journalist and medical doctor 'Adolph Klein', allegedly born 1829 in Merseburg?
The Jewish Encyclopedia (https://en.wikipedia.org/wiki/Jewish_Encyclopedia) contains a sizeable entry on one 'Adolph Klein', allegedly born on 1829-05-29 in ther German city of Halle (Saale).
...
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Is there any historical mention of Richard Feynman being aware of multiverse theories of cosmology?
The reason I ask is because he talks about the fine structure constant in one of his undergraduate lectures.
The reference to its mystery is analogous to all the special constants of nature such as ...
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Several questions about Gauss's mathematical conception of braids
I'm trying to figure out several things about Gauss's thoughts concerning a certain four-strand braid. The reference my questions are based on is mainly Moritz Epple's excellent article "orbits of ...
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1answer
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Is there anything written by Newton's roommate Wilkins about him?
I've read that John Wilkins was Newton's room-mate and they lived together for 20 years. Is there anything about Newton written by Wilkins?
By the way, there is nothing easily found on google.
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A portrait of Bombelli
Is there any known portrait of Rafael Bombelli? I don't think so, but if you visit his MacTutor biography, you will see there this picture:
It is clear to me that this cannot possibly be a picture of ...
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How old might Emmy Noether be in this picture?
I have not found bibliographic data to show what age Noether was in this picture:
And I cannot estimate well either by her clothes or her face.
Can anyone here help me?
In the past I have known ...
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2answers
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What mathematical techniques Gauss used in order to tessellate the unit disk?
This question is a continuation of my previously posted question: Was Gauss aware of the non-euclidean implications of his work on moduler forms?, and is based on the information given in John ...
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1answer
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What is the modern interpretation of Gauss's “Summatorische Function”?
In Buhler's biography of Gauss (Gauss: A Biographical Study), at the chapter on modular forms and hypergeometric series, he mentions a function that Gauss called "Summatorische Function", which he ...
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What are the modern connections of the Pentagramma Mirificum studied by Gauss?
In the last years, i read a lot about a mathematical object that was discovered by John Napier in 1620 and explored much more deeply by Gauss, who called this "Pentagramma Mirificum" (latin for "the ...
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Gauss's anticipation of quaternions and their relation to congruences
Recently i read the article "Hamilton, Rodrigues, Gauss, Quaternions and Rotations: A Historical Reassessment", which can be found freely on the internet. This article is by far the most comprehensive ...
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Question about Gauss's contributions to the theory of electric circuits
This question is a continuation of my previously-posted question: Several questions about Gauss's contributions to electromagnetism. I wrote it after user vonbrand asked me to split my original ...
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Query 31 in Newton's opticks and the second law of thermodynamics
Query 31 in Newton's opticks contains the following words: "But by reason of the Tenacity of Fluids, and Attrition of their Parts, and the Weakness of Elasticity in Solids, Motion is much more apt to ...
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1answer
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Do these trigonometric identities belong to Antonio Cagnoli?
I'm new to this stack community, please bear with me as I try to explain my question properly. Recently I came across with these trigonometric identities (where $ \omega + \phi + \psi = 180^\circ $):
...
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Several questions about Gauss's contributions to electromagnetism
First of all, i appologize if i'm asking too many questions about Gauss (and some will also say "not very interesting questions"); i know i might appear ridiculus - but i really think it's an ...
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How did Gauss's electrodynamics law preempt the later developement of retarded potentials theory in physics?
My question refers to a fragment on electrodynamics written by Gauss at around 1835. In this short note (see Gauss's werke, volume V, p. 616-617) Gauss wrote down a fundamental equation which ...
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What was Gauss's theoretical work related to his invention of the “Double-Gauss lens”?
Gauss's contributions (Dioptriche Untersuchungen, 1840) to the "classical" optical theory (Gaussian optics, i.e calculations made under the paraxial approximation) are well known, but long before he ...
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What were 12 year old Pitts' objections to Principia Mathematica?
In Wikipedia on the page dedicated to Walter Pitts (accesses today), it is written that,
He is widely remembered to have spent three days in a library, at the age of 12, reading Principia ...
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1answer
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Was Paul Cohen a student or assistant of Gödel?
In The Man Who Loved Only Numbers, a biography about Paul Erdős, by Paul Hoffman, the author claims that Paul Cohen was "Gödel's former assistant" (p 225). However, I can't find any other sources ...
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What were Gauss's results on the attraction of homogenous ellipsoids in his paper from 1813?
I'm very curius to learn of the solution to the problem of the gravitational attraction of triaxial ellipsoid, both in his internal and external parts. From what i read, i understood that the solution ...
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1answer
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Summary of Gauss's work on geodesic lines on ellipsoid
The solution to the problem of geodesic lines on a biaxial ellipsoid (when two of the axes are equal) is not very hard and can be solved by mathematical tools that existed prior to Gauss - i.e via ...
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1answer
307 views
How did Wittgenstein fulfill eligibility requirements for a PhD in philosophy without having a Bachelor's degree in philosophy?
The Wikipedia article about Wittgenstein says:
In Norway it was clear that Moore was expected to act as Wittgenstein's secretary, taking down his notes, with Wittgenstein falling into a rage when ...
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2answers
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Who took 20 minutes to decide that a thing was obvious?
The joke is found on this comment chain on Reddit. In all versions, it's about a professor who was explaining a proof and said, "It's obvious that....." and then looked quizzical and walked out of the ...
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Is this Einstein rejection letter fake?
So I found this on the internet the other day-
Is this fake?
Are there any ways to prove that it's fake?
Does there, if any, exist any real copy of such a rejection letter?(Was Einstein ever ...
3
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1answer
124 views
Pauli's first paper about the spin
Wikipedia states, that the spin degree of freedom was first formulated by Pauli in 1924:
In 1924 Wolfgang Pauli introduced what he called a "two-valued quantum degree of freedom" associated with ...
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1answer
158 views
Who influenced Gauss in his abstract approach to mathematics?
I have studied that Gauss was one of the firsts mathematicians to defend this idea, about the Abstract Math and the conception of number, claiming that "What is calculated (in the sense of things ...
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2answers
190 views
What did Fermat do as a lawyer?
Fermat is easily one of the best known mathematicians of all time. We all know about Fermat's Last Theorem, Fermat's Little Theorem, his quadrature rule, his invention of probability theory, etc. ...
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Laplace's characterization of Gauss as “a super-terrestrial spirit in a human body”
The following words concerning Carl Friedrich Gauss are attributed to Laplace in an article from the Mathematics magazine by Teets and Whitehead (The discovery of Ceres: how Gauss became famous, first ...
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170 views
Did Gauss anticipate Kirchhoff's diffraction formulation in 1836?
Clemens Schaefer says, in his treatise "Über Gauss' physikalische Arbeiten", that for a very short time in the years 1835/1836 Gauss showed interest in the new diffraction experiments of Fresnel and ...
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Why is there some doubt whether or not Gauss saw the pseudosphere as the embodiment of hyperbolic geometry?
I read a lot of historical articles that doubt the possibility that Gauss saw in the pseudosphere the realization of hyperbolic geometry; that geodetic triangles on the pseudosphere obey the same ...
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Nature of Fermat's friend Lalouvère's activities as censor?
Fermat had a friend at Toulouse named Lalouvère. Lalouvère was censor, jesuit, and mathematician (in alphabetical order).
Antonella Romano writes on page 512 of her book La Contre-Réforme ...
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3answers
374 views
How did Gauss overcome the problem of curvature of sunlight rays when he developed his heliotrope?
My question refers to Gauss's heliotrope - an optical device for projecting sunlight to a distance by a reflecting mirror, that was used in geodetic surveys in order to mark reference points. The ...
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2answers
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Biographies comparing the personal and professional lives of various influential scientists/mathematicians?
There are many biographies that go into detail into the lives of a single, or maybe a couple of scientists.
I am wondering, is there a good book that does not focus on an individual, but explicitly ...
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How to derive from Gauss's result on the volume of orthoscheme tetrahedron the formulas of Lobachevsky and Bolay?
My question is a direct continuation of my already posted question Did Gauss's expression for the differential of the hyperbolic volume of the tetrahedron agree with later results?.
I simply didn'...
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2answers
389 views
Did Gauss's expression for the differential of the hyperbolic volume of the tetrahedron agree with later results?
My question is mainly about getting explanation to Gauss's third note (note III) in his writing "Zur Astralgeometrie", (see Cubierung der Tetraeder, pages 228-229), and about placing it in the right ...
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1answer
117 views
Who knows Frank Irvin?
In a German book by Helmut Kracke I found Frank Irvin mentioned. Irvin proved in 1916 the convergence of the harmonic series when all terms containing a 9 were omitted. I would like to include Irvin ...
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Why was F. W. Lanchester's first aeronautical paper rejected by the Physical Society?
Lanchester was arguably the first to somewhat accurately describe the physical mechanism for the generation of lift. In 1894, the Birmingham Natural History and Philosophical Society read his paper, ...
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2answers
273 views
Famous messy scientists
Which scientists were known to be messy?
I know of Albert Einstein:
And of Jean Piaget:
Are there other examples?
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When did William (Bill) Burke, who discovered the first actual bug, live and die?
Grace Hopper is frequently credited with finding the first actual bug. In fact, she just popularized the story of how William (Bill) Burke found the bug in the Mark II computer and documented it.
I'...
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F. Schoblik's announced ''ausführliche Darstellung": a lost wrong proof of the Four Color Theorem?
In (the AMS Chelsea Publishing version of) what is perhaps the first genuine textbook on graph theory ever, Dénes Kőnig on p. 28 gives the illustration
and the footnote
which when translated says
...
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236 views
What topological ideas did Gauss introduce to his student Möbius?
Recently I found a website with good historical information about the contributions of Gauss to Analysis situs (the old term for topology). The site is in German so I made a Google translate to ...
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1answer
124 views
Did Kepler influence Fermat?
On page 347 in his "Mathematical Thought, volume 1", Morris Kline writes:
"The work on the third class of problems, finding the maxima and minima of functions, may be said to begin with an ...
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1answer
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Name of a XIXth-century German scientist from the University of Berlin
In December 1892, the french mathematician Charles Hermite had a jubilee celebration.
He received a number of letters and telegrams. One of them is from the members of the University of Berlin, see ...
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When did Grace Murray Hopper say “The wonderful thing about standards is that there are so many of them to choose from?”
When did Grace Murray Hopper say "The wonderful thing about standards is that there are so many of them to choose from?" This quote is attributed to her in many places (including in one of my books), ...
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127 views
Was Gauss aware of the non-euclidean implications of his work on moduler forms?
Until recently, i thought that the first to observe the connection between modular forms and the hyperbolic plane (a model of non-euclidean geometry) was Felix Klein. But in the last week i read the ...
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224 views
Great physicists with no mentors
I often check biographies of physicists and at one point or another in the beginning of their careers they have the opportunity to be mentored by other and often also great scientists. But, I know for ...
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125 views
Citation of Brouwer needed
In a letter to Zeilberger the late Alexander Zenkin states that Brouwer called set theory "a pathological incident in history of mathematics from which future generations will be horrified". (See ...
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84 views
What was the mechanical principle of Leibniz's “integraph”?
For a very long time i've searched in the internet what was the actual integrating device which Leibniz designed in 1693. Yesterday i found the answer - the instrument which Leibniz deviced is the ...
