Thanks for the great memories, Students of Lakenheath

**Perhaps... some day the precision of the data will be brought so far that the mathematician will be able to calculate at his desk the outcome of any chemical combination, in the same way, so to speak, as he calculates the motions of celestial bodies.**

~Antoine-Laurent Lavoisier

The 239th day of the year; When expressing 239 as a sum of square numbers, 4 squares are required, which is the maximum that any integer can require; it is the largest number that needs the maximum number (9) of positive cubes (Only one other number requires nine cubes, can you find it?)

and a hundred years (+/-) ago (many people included 1 as a prime then; see more) 239 would have been a prime that is the sum of the first 14 primes; 239 = 1+2+3+5+7+11+...+37+41 *Derek Orr

239 appears in one of the earliest known geometrically converging formulas for computing Pi:

Pi/4 = 4 arctan(1/5) - arctan(1/239) *.archimedes-lab.org

**1735**Euler’s Konisburg bridge solution, "The Solution of a problem related to the Geometry of Position", was presented to the St. Petersburg Academy on August 26, 1735. He showed that there were no continuous walks across the seven bridges across the Pregel River in Konisburg. It is often cited as the earliest paper in both topology and graph theory.*VFR

**1768**Capt. James Cook began the ﬁrst circumnavigation of the globe. *VFR Cook and his ninety-eight foot bark, Endeavour, carried the Venus transit observation crew mounted by the Royal Society, led by a future Royal Soc. President, Joseph Banks. They would erect an observation station at Point Venus in Tahiti to observe the June 3, 1769 observation under clear blue skys. *Timothy Ferris, Coming of Age in the Milky Way

**1770**Lagrange, in a letter to d’Alembert, ﬁrst uses the notation f‘ (x) for the derivative. He ﬁrst used it in print in a paper published in 1772. Although Lagrange used the notation in his diagramless Mecanique Analytique (1788), it did not catch on until after he used it in his Theorie de functions analytiques (1797). *Oeuvres de Lagrange, 13, p. 181.

**1774**John Adams notes in his diary that he had toured Princeton’s library with Professor Euston (William Churchill Houston, first professor of mathematics and natural philosophy) and then into the “apparatus room” where he saw the “most beautiful machine”. It was an orrery made by David Rittenhouse, a renowned American astronomer, inventor, clockmaker, mathematician, surveyor, scientific instrument craftsman and public official. Professor Houston served in combat in the revolution when Princeton was closed by the occupation of the British. After the college was reopened, he returned to teaching but was soon selected to represent New Jersey as a representative to the Continental Congress, and then to the Constitutional Convention. He died shortly after the close of the Constitutional Convention. *The Teaching and History of Mathematics in The United States, F. Cajori (pgs 71-72)

**1831**Darwin had been committed to a life as a clergyman when he received a letter from George Peacock inviting him to sail with Captain Fitzroy. The rest, as they say, is history.

My dear Sir

I received Henslow’s (Darwin's botany professor) letter last night too late to forward it to you by the post, a circumstance which I do not regret, as it has given me an opportunity of seeing Captain Beaufort at the admiralty (the Hydrographer) & of stating to him the offer which I have to make to you: he entirely approves of it & you may consider the situation as at your absolute disposal: I trust that you will accept it as it is an opportunity which should not be lost & I look forward with great interest to the benefit which our collections of natural history may receive from your labours

The circumstances are these

Captain Fitzroy (a nephew of the Duke of Graftons) sails at the end of September in a ship to survey in the first instance the S. Coast of Terra del Fuego, afterwards to visit the South Sea Islands & to return by the Indian Archipelago to England: The expedition is entirely for scientific purposes & the ship will generally wait your leisure for researches in natural history &c: Captain Fitzroy is a public spirited & zealous officer, of delightful manners & greatly beloved by all his brother officers: he went with Captain Beechey and spent 1500£ in bringing over and educating at his own charge 3 natives of Patagonia:f2 he engages at his own expense an artist at 200 a year to go with him: you may be sure therefore of having a very pleasant companion, who will enter heartily into all your views

The ship sails about the end of September you must lose no time in making known your acceptance to Captain Beaufort, Admiralty hydr I have had a good deal of correspondence about this matter, whof3 feels in common with myself the greatest anxiety that you should go. I hope that no other arrangements are likely to interfere with it

Captain will give you the rendezvous & all requisite information: I should recommend you to come up to London, in order to see him & to complete your arrangements I shall leave London on Monday: perhaps you will have the goodness to write to me at Denton, Darlington, to say that you will go.

The Admiralty are not disposed to give a salary, though they will furnish you with an official appointmentf4 & every accomodation: if a salary should be required however I am inclined to think that it would be granted

Believe me | My dear Sir | Very truly yours | Geo Peacock

If you are with Sedgwick I hope you will give my kind regards to him

**In 1895**, electricity was first transmitted commercially from the first large-scale utilization of Niagara Falls power, the current being used by the Pittsburgh Reduction Company in the electrolytic production of aluminium metal from its ore. Buffalo subsequently received power for commercial use on 15 Nov 1896. The equipment was the result of a contract made on 24 Oct 1893 whereby Westinghouse Electric and Manufacturing Company of Pittsburgh, Pa., would install three 5,000-hp generators producing two-phase currents at 2,200 volts, 25 hertz. The first such tuboalternator unit was completed within 18 months. Prior capacity had been limited to generators no larger than 1,000 hp.*TIS

**1966**Professor Stephen Smale, who received the Fields medal ten days earlier, condemned American military intervention in Vietnam and Soviet intervention in Hungary at a news conference in Moscow. For Smale’s fascinating personal account see “On the Steps of Moscow University,” The Mathematical Intelligencer, 6, no. 2, pp. 21–27. *VFR

**1984**Miss Manners addresses computer correspondence

Miss Manners confronts a new realm of etiquette in her August 26 column as she responded to a reader's concern about typing personal correspondence on a personal computer. The concerned individual said that using the computer was more convenient but that they were worried about the poor quality of her dot-matrix printer and about copying parts of one letter into another.

Miss Manners replied that computers, like typewriters, generally are inappropriate for personal correspondence. In the event a word processor is used, she warned, the recipient may confuse the letter for a sweepstakes entry. And, she noted, if any one of your friends ever sees that your letter to another contains identical ingredients, you have will no further correspondence problems.*CHM

2005 Two scientists from the Université Pierre et Marie Curie, in Paris published a paper in Physical Review Letters with the title: "Fragmentation of Rods by Cascading Cracks: Why Spaghetti Does Not Break in Half," to answer that nagging question of all Italian cooks: why, when you bend dry spaghetti, it often breaks into more than two pieces. A popular anectdote says that Richard Feynman had pondered the question without solution. *Improbable Research

**1728 Johann Heinrich Lambert**(August 26, 1728 – September 25, 1777) was born in Mulhouse, Alsace. His most famous results are the proofs of the irrationality of π and e *VFR In 1766, Lambert wrote Theorie der Parallellinien, a study of the parallel postulate. By assuming that the parallel postulate was false, he deduced many non-euclidean results. He noticed that in this new geometry the sum of the angles of a triangle increases as its area decreases. Lambert conjectured that e and p are transcendental, though this was not proved for another century. He is responsible for many innovations in the study of heat and light, devised a method of measuring light intensity, as well as working on the theory of probability.*TIS (Lambert's credit for a vigorous proof of the irrationality of π is generally agreed to, but Euler Scholar Ed Sandifer has written that Euler's proof was fully rigorous prior to Lambert. *How Euler Did It, Feb 2006).

**1740 Joseph-Michel Montgolfie**r (26 Aug 1740; 26 Jun 1810)French balloon pioneer, with his younger brother, Étienne. An initial experiment with a balloon of taffeta filled with hot smoke was given a public demonstration on 5 Jun 1783. This was followed by a flight carrying three animals as passengers on 19 Sep 1783, shown in Paris and witnessed by King Louis XVI. On 21 Nov 1783, their balloon carried the first two men on an untethered flight. In the span of one year after releasing their test balloon, the Montgolfier brothers had enabled the first manned balloon flight in the world.*TIS

Jacques Louis David |

**1743 Antoine-Laurent Lavoisier**(26 August 1743 – 8 May 1794) French scientist, the "father of modern chemistry," was a brilliant experimenter also active in public affairs. An aristocrat, he invested in a private company hired by the government to collect taxes. With his wealth he built a large laboratory. In 1778, he found that air consists of a mixture of two gases which he called oxygen and nitrogen. By studying the role of oxygen in combustion, he replaced the phlogiston theory. Lavoisier also discovered the law of conservation of mass and devised the modern method of naming compounds, which replaced the older nonsystematic method. During the French Revolution, for his involvement with tax-collecting, he was guillotined.*TIS

"This great double portrait at right was painted when the artist, at the peak of his powers, had become the standard-bearer of French Neoclassicism. Lavoisier is known for his pioneering studies of oxygen, gunpowder, and the chemical composition of water. In 1789 he published a treatise on chemistry illustrated by his wife, who is believed to have been David's pupil." *Metropolitan Museum of Art

**1875 Giuseppe Vitali**(26 August 1875 – 29 February 1932) was an Italian mathematician who worked in several branches of mathematical analysis. He was the first to give an example of a non-measurable subset of real numbers, see Vitali set. His covering theorem is a fundamental result in measure theory. He also proved several theorems concerning convergence of sequences of measurable and holomorphic functions. Vitali convergence theorem generalizes Lebesgue's dominated convergence theorem. Another theorem bearing his name gives a sufficient condition for the uniform convergence of a sequence of holomorphic functions on an open domain D⊂ℂ to a holomorphic function on D. This result has been generalized to normal families of meromorphic functions, holomorphic functions of several complex variables, and so on. *Wik

**1882 James Franck**(26 Aug 1882; 21 May 1964) German-born American physicist who shared the Nobel Prize for Physics in 1925 with Gustav Hertz for research on the excitation and ionization of atoms by electron bombardment that verified the quantized nature of energy transfer.*TIS

In 1933, after the Nazis came to power, Franck, being a Jew, decided to leave his post in Germany and continued his research in the United States, first at Johns Hopkins University in Baltimore and then, after a year in Denmark, in Chicago. It was there that he became involved in the Manhattan Project during World War II; he was Director of the Chemistry Division of the Metallurgical Laboratory[5] at the University of Chicago. He was also the chairman of the Committee on Political and Social Problems regarding the atomic bomb; the committee consisted of himself and other scientists at the Met Lab, including Donald J. Hughes, J. J. Nickson, Eugene Rabinowitch, Glenn T. Seaborg, J. C. Stearns and Leó Szilárd. The committee is best known for the compilation of the Franck Report, finished on 11 June 1945, which recommended not to use the atomic bombs on the Japanese cities, based on the problems resulting from such a military application.*Wik

**1886 Jerome C. Hunsake**r (26 Aug 1886; 10 Sep 1984)American aeronautical engineer who made major innovations in the design of aircraft and lighter-than-air ships, seaplanes, and carrier-based aircraft. His career had spanned the entire existence of the aerospace industry, from the very beginnings of aeronautics to exploration of the solar system. He received his master's degree in naval architecture from M.I.T. in 1912. At about the same time seeing a flight by Bleriot around Boston harbour attracted him to the fledgling field of aeronautics. By 1916, he became MIT's first Ph.D. in aeronautical engineering. He designed the NC (Navy Curtiss) flying boat with the capability of crossing the Atlantic. It was the largest aircraft in the world at the time, with four engines and a crew of six.*TIS

**1899 Wolfgang Krull**(26 August 1899 - 12 April 1971) proved the Krull-Schmidt theorem for decomposing abelian groups and defined the Krull dimension of a ring.*SAU

**1918 Katherine Coleman Goble Johnson**(August 26, 1918 in White Sulphur Springs, W. Va {pop 800)-) is an American physicist, space scientist, and mathematician who contributed to America's aeronautics and space programs with the early application of digital electronic computers at NASA. Known for accuracy in computerized celestial navigation, she calculated the trajectory for Project Mercury and the 1969 Apollo 11 flight to the Moon. From 1953 through 1958, Johnson worked as a "computer" for NACA (later to become NASA), doing analysis for topics such as gust alleviation for aircraft. She calculated the trajectory for the space flight of Alan Shepard, the first American in space, in 1959. She also calculated the launch window for his 1961 Mercury mission. She plotted backup navigational charts for astronauts in case of electronic failures. In 1962, when NASA used computers for the first time to calculate John Glenn's orbit around Earth, officials called on her to verify the computer's numbers (other versions say it was Glenn himself who requested she check the data).

On November 24, 2015, President Barack Obama her with the Presidential Medal of Freedom and cited as a pioneering example of African American women in STEM *Wik

**1951 Edward Witten**(26 Aug 1951, )American mathematical physicist who was awarded the Fields Medal in 1990 for his work in superstring theory. This is work in elementary particle theory, especially quantum field theory and string theory, and their mathematical implications. He elucidated the dynamics of strongly coupled supersymmetric field. The deep physical and mathematical consequences of the electric-magnetic duality thus exploited have broadened the scope of Mathematical Physics. He also received the Dirac Medal from the International Centre for Theoretical Physics (1985) and the Dannie Heineman Prize from the American Physical Society (1998), among others.*TIS

**1349 Thomas Bradwardine**, (c. 1290-26 August 1349) archbishop of Canterbury, died of the plague. This medieval mathematical physicist studied the notion of change. *VFR Bradwardine was a noted mathematician as well as theologian and was known as 'the profound doctor'. He studied bodies in uniform motion and ratios of speed in the treatise De proportionibus velocitatum in motibus (1328). This work takes a rather strange line between supporting and criticising Aristotle's physics. Perhaps it is not really so strange because Aristotle views were so fundamental to learning at that time that perhaps all that one could expect of Bradwardine was the reinterpretation of Aristotle's views on bodies in motion and forces acting on them. It is likely that his intention was not to criticise Aristotle but rather to justify mathematically a reinterpretation of Aristotle's statements. He was also the first mathematician to study "star polygons". They were later investigated more thoroughly by Kepler *SAU A star polygon {p/q}, with p,q positive integers, is a figure formed by connecting with straight lines every qth point out of p regularly spaced points lying on a circumference. The number q is called the density of the star polygon. Without loss of generality, take q less than p/2. *Wolfram MathWorld

**1572 Peter Ramus**(1515 – 26 August 1572) was cruelly murdered, by hired assassins, during the St. Bartholomew’s Day Massacre. He was an early opponent of the teachings of Aristotle. *VFR Peter Ramus was a French mathematician who wrote a whole series of textbooks on logic and rhetoric, grammar, mathematics, astronomy, and optics. His assassination was due to religious conflict.

**1865 Johann Encke**(23 Sep 1791, 26 Aug 1865) German astronomer who established the period of Encke's Comet at 3.3 years (shortest period of any known). *TIS He also discovered the gap in the A-ring of Saturn and determent an accurate value of the solar parallax. The Royal Society

mentioned the death to be 26 or 28 August 1865. *NSEC

**1929 Thomas John l'Anson Bromwich**(8 Feb 1875 in Wolverhampton, England - 26 Aug 1929 in Northampton, England) He worked on infinite series, particularly during his time in Galway. In 1908 he published his only large treatise An introduction to the theory of infinite series which was based on lectures on analysis he had given at Galway. He also made useful contributions to quadratic and bilinear forms and many consider his algebraic work to be his finest. In a series of papers he put Heaviside's calculus on a rigorous basis treating the operators as contour integrals*SAU G. H. Hardy described him as the “best pure mathematician among the applied mathematicians at Cambridge, and the best applied mathematician among the pure mathematicians.” *VFR

**1961 Howard Percy Robertson**(27 Jan 1903 in Hoquiam, Washington, USA - 26 Aug 1961) made outstanding contributions to differential geometry, quantum theory, the theory of general relativity, and cosmology. He was interested in the foundations of physical theories, differential geometry, the theory of continuous groups, and group representations. He was particularly interested in the application of the latter three subjects to physical problems.

His contributions to differential geometry came in papers such as: The absolute differential calculus of a non-Pythagorean non-Riemannian space (1924); Transformation of Einstein space (1925); Dynamical space-times which contain a conformal Euclidean 3-space (1927); Note on projective coordinates (1928); (with H Weyl) On a problem in the theory of groups arising in the foundations of differential geometry (1929); Hypertensors (1930); and Groups of motion in space admitting absolute parallelism (1932). *SAU

**1977 Robert Schatten**(January 28, 1911 – August 26, 1977) His principal mathematical achievement was that of initiating the study of tensor products of Banach spaces. The concepts of crossnorm, associate norm, greatest crossnorm, least crossnorm, and uniform crossnorm, all either originated with him or at least first received careful study in his papers. He was mainly interested in the applications of this subject to linear transformations on Hilbert space. In this subject, the Schatten Classes perpetuate his name. Schatten had his own way of making abstract concepts memorable to his elementary classes. Who could forget what a sequence was after hearing Schatten describe a long corridor, stretching as far as the eye could see, with hooks regularly spaced on the wall and numbered 1, 2, 3, ...? "Then," Schatten would say, "I come along with a big bag of numbers over my shoulder, and hang one number on each hook." This of course was accompanied by suitable gestures for emphasis. *SAU

**1992 Daniel E. Gorenstein**(January 1, 1923 – August 26, 1992) was an American mathematician. He earned his undergraduate and graduate degrees at Harvard University, where he earned his Ph.D. in 1950 under Oscar Zariski, introducing in his dissertation a duality principle for plane curves that motivated Grothendieck's introduction of Gorenstein rings. He was a major influence on the classification of finite simple groups.

After teaching mathematics to military personnel at Harvard before earning his doctorate, Gorenstein held posts at Clark University and Northeastern University before he began teaching at Rutgers University in 1969, where he remained for the rest of his life. He was the founding director of DIMACS in 1989, and remained as its director until his death.

Gorenstein was awarded many honors for his work on finite simple groups. He was recognised, in addition to his own research contributions such as work on signalizer functors, as a leader in directing the classification proof, the largest collaborative piece of pure mathematics ever attempted. In 1972 he was a Guggenheim Fellow and a Fulbright Scholar; in 1978 he gained membership in the National Academy of Sciences and the American Academy of Arts and Sciences, and in 1989 won the Steele Prize for mathematical exposition. *Wik

**1998 Frederick Reines**(16 Mar 1918, 26 Aug 1998) American physicist who was awarded the 1995 Nobel Prize for Physics for his detection in 1956 of neutrinos, working with his colleague Clyde L. Cowan, Jr. The neutrino is a subatomic particle, a tiny lepton with little or no mass and a neutral charge which had been postulated by Wolfgang Pauli in the early 1930s but had previously remained undiscovered. (Reines shared the Nobel Prize with physicist Martin Lewis Perl, who discovered the tau lepton.)*TIS

Credits :

*CHM=Computer History Museum

*FFF=Kane, Famous First Facts

*NSEC= NASA Solar Eclipse Calendar

*RMAT= The Renaissance Mathematicus, Thony Christie

*SAU=St Andrews Univ. Math History

*TIA = Today in Astronomy

*TIS= Today in Science History

*VFR = V Frederick Rickey, USMA

*Wik = Wikipedia

*WM = Women of Mathematics, Grinstein & Campbell

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