Celebrating 17 Years on the Web
TODAY IN SCIENCE HISTORY™
Find science on or your birthday

Today in Science History - Quickie Quiz
Who said: “Every body perseveres in its state of being at rest or of moving uniformly straight forward, except insofar as it is compelled to change its state by forces impressed.”
more quiz questions >>
JULY 7 – BIRTHS – Scientists born on July 7th
  Ian Wilmut
 Born 7 Jul 1944.   quotes
English embryologist who in 1996 supervised the team of scientists that produced a lamb named Dolly, the first mammal cloned from a cell from an adult. Dolly birth at the Roslin Institute, Edinburgh, Scotland, on 5 Jul 1996, was announced on 23 Feb 1997. The key work was performed by microbiologist Keith Campbell[Image: Wilmut with preserved Dolly.]
The Second Creation: Dolly and the Age of Biological Control, by Ian Wilmut, et al. - book suggestion.
  Nettie Maria Stevens
 Born 7 Jul 1861; died 4 May 1912 at age 50.   quotes
American geneticist who was born in the year that the Civil War began, and despite difficult times and limited women’s educational opportunities, became one of the first American women to achieve recognition for her contributions to scientific research. As a cell biologist and geneticist, her great contribution to science was as one of the first scientists to find that sex is determined by a single difference between two classes of sperm—the presence or absence of an X chromosome.   more
  Sidney A. Weltmer
 Born 7 Jul 1858; died 6 Dec 1930 at age 72.
Sidney Abram Weltmer was an American author who founded the Weltmer Institute of Suggestive Therapeutics (19 Feb 1897), offering to gullible patients healing based on thought transference and “magnetic healing.” Medical professionals and theologians denounced him for quackery. He offered instruction in his methods by correspondence courses. When the U.S. Postmaster General identified (1900) Welmer's medical self-help by mail as an outright fraudulent scheme, mail delivery to his institute was blocked. Remarkably, the U.S. Supreme Court decided against the Post Office. He was still publically called a charlatan, and the Missouri State Supreme Court ruled against him in a libel case he pursued to silence his vocal critics. Welmer wrote books, published many pamphlets and Weltner's Magazine promoting his pseudoscience, and managed to keep operating his Institute until his death.«
  Lillien Jane Martin
 Born 7 Jul 1851; died 26 Mar 1943 at age 91.
American psychologist who followed up her academic career with an active second career in gerontological psychology. Martin was determined to work in psychology though as a pioneer woman in psychology, she faced obstacles including age, as well as gender discrimination. Her determination was eventually rewarded with an honorary Ph.D. from a school that originally refused her a degree because of her sex. Martin worked with G.E. Muller in psychophysics, and founded the world's first mental health clinic for normal children and for the elderly. Her accomplishments and enthusiastic eagerness to share knowledge have changed the way applied psychology is viewed in areas of gerontology and mental hygiene for children.
  Camillo Golgi
Thumbnail - Camillo Golgi
1906 (EB)
 Born 7 Jul 1843; died 21 Jan 1926 at age 82.   quotes
Italian physician and cytologist who, in 1873, published his key discovery, the use of silver salts to stain samples for microscope slides. Thus new details of cellular structure components were revealed, still known by such names as the Golgi complex. Golgi distinguished different types of nerve cells in the brain (Golgi cells) and described the complex structure of a network of tubules and granules in the cytoplasm of most cells (the Golgi body or apparatus) that is now known to be involved in secretion. Investigations into the fine structure of the nervous system earned him (with the Spanish histologist Santiago Ramσn y Cajal) the 1906 Nobel Prize for Physiology or Medicine.
  Sir Morell Mackenzie
 Born 7 Jul 1837; died 3 Feb 1892 at age 54.   quotes
English laryngologist, who, as Britain's leading specialist, was at the centre of a bitter international controversy over the death of Emperor Frederick III of Germany. In his book, The Fatal Illness Of Frederick The Noble (1888), Mackenzie describes his care of laryngeal cancer in the Crown Prince, later Emperor Frederick the Noble. He had been accused of medical malpractice by German physicians following the emperor's death on 15 Jun 1888. The book not only decribes laryngology at the end of the 19th century, but also offers hidden insight into German history, as well as a soap opera complete with scheming and attempts at character assassination.   more
  Rudolf Wolf
 Born 7 Jul 1816; died 6 Dec 1893 at age 77.
Swiss astronomer and astronomical historian. Wolf's main contribution was the discovery of the 11 year sunspot cycle and he was the codiscoverer of its connection with geomagnetic activity on Earth. In 1849 he devised a system now known as Wolf's sunspot numbers. This system is still in use for studying solar activity by counting sunspots and sunspot groups. In mathematics, Wolf wrote on prime number theory and geometry, then later on probability and statistics - a long paper discussed Buffon's needle experiment. He estimated π by Monte Carlo methods.
  Joseph Marie Jacquard
Thumbnail - Joseph Marie Jacquard
engraving 1874 (EB)
 Born 7 Jul 1752; died 7 Aug 1834 at age 82.   quotes
French weaver and inventor of the Jacquard programmable power loom for brocaded fabric. His loom would mechanically produce any pattern, controlled by perforated control cards (1805). This served as the impetus for the technological revolution of the textile industry and is the basis of the modern automatic loom. The concept of using punched cards was later applied by Hollerith to keeping track of the 1890 US census data. The idea further evolved to computer input punched cards.


Nature bears long with those who wrong her. She is patient under abuse. But when abuse has gone too far, when the time of reckoning finally comes, she is equally slow to be appeased and to turn away her wrath. (1882) -- Nathaniel Egleston, who was writing then about deforestation, but speaks equally well about the danger of climate change today.
Carl Sagan Thumbnail Carl Sagan: In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) ...(more by Sagan)

Albert Einstein: I used to wonder how it comes about that the electron is negative. Negative-positive—these are perfectly symmetric in physics. There is no reason whatever to prefer one to the other. Then why is the electron negative? I thought about this for a long time and at last all I could think was “It won the fight!” ...(more by Einstein)

Richard Feynman: It is the facts that matter, not the proofs. Physics can progress without the proofs, but we can't go on without the facts ... if the facts are right, then the proofs are a matter of playing around with the algebra correctly. ...(more by Feynman)
Quotations by: • Albert Einstein • Isaac Newton • Lord Kelvin • Charles Darwin • Srinivasa Ramanujan • Carl Sagan • Florence Nightingale • Thomas Edison • Aristotle • Marie Curie • Benjamin Franklin • Winston Churchill • Galileo Galilei • Sigmund Freud • Robert Bunsen • Louis Pasteur • Theodore Roosevelt • Abraham Lincoln • Ronald Reagan • Leonardo DaVinci • Michio Kaku • Karl Popper • Johann Goethe • Robert Oppenheimer • Charles Kettering  ... (more people)

Quotations about: • Atomic  Bomb • Biology • Chemistry • Deforestation • Engineering • Anatomy • Astronomy • Bacteria • Biochemistry • Botany • Conservation • Dinosaur • Environment • Fractal • Genetics • Geology • History of Science • Invention • Jupiter • Knowledge • Love • Mathematics • Measurement • Medicine • Natural Resource • Organic Chemistry • Physics • Physician • Quantum Theory • Research • Science and Art • Teacher • Technology • Universe • Volcano • Virus • Wind Power • Women Scientists • X-Rays • Youth • Zoology  ... (more topics)
JULY 7 – DEATHS – Scientists died on July 7th
  Herman Kahn
 Died 7 Jul 1983 at age 61 (born 15 Feb 1922).
American physicist who worked on nuclear strategy as a military analyst (1948-61). Later, he became known as a futurist making controversial studies of nuclear warfare in his books, including his provocative analysis of nuclear war in On Thermonuclear War (1960) and his predictions of the probability and survivability of nuclear war in Thinking About the Unthinkable (1962). He held that since it might be possible to survive a nuclear war, it was essential to plan to do just that. Kahn founded the influential Hudson Institute in New York in 1961 to study aspects of national security related to narcotics policy, international economics and trade, population, transportation, crime, medicine.«
The Worlds of Herman Kahn: The Intuitive Science of Thermonuclear War, by Sharon Ghamari-Tabrizi. - book suggestion.
  Jacob Aall Bonnevie Bjerknes
 Died 7 Jul 1975 at age 77 (born 2 Nov 1897).
Norwegian-American meteorologist.
  Lyman C. Craig
 Died 7 Jul 1974 at age 68 (born 12 Jun 1906).
Lyman Creighton Craig was an American chemist who developed the counter-current distribution (CCD) method. Within five years of earning his Ph.D., he had designed and built a microdistillation apparatus (1936). Wartime research on antimarial drugs required identification of microgram amounts of an organic compound in a mixture, for which he devised a laboratory technique based on the distribution coefficient. He soon developed the CCD method for fractionation of complex mixtures with an apparatus that could simultaneously accomplish 20 quantitative extractions in a single step. A notable separation, from a difficult mixture, was the isolation and purified parathormone, the active principle of the parathyroid gland, achieved in 1960 with his colleagues. Craig also designed several other significant instruments, including his rotary evaporator, among others.«
  Saul Dushman
 Died 7 Jul 1954 at age 70 (born 12 Jul 1883).   quotes
Russian-American physical chemist, a world leader in vacuum science and technology, a GE assistant director of research and author of several standard scientific textbooks. One example is Scientific Foundations of Vacuum Technique (1922). It is very readable and he gets to the hows and whys things work the way they do. One of the true classics, it was completely revised in 1961 by his colleague James Lafferty. Using a formula he derived, Dushman calculated the conductances for cylindrical tubes based on their measured dimensions and produced the table which he included in the book that is still used to design a vacuum system.
  Sir Arthur Conan Doyle
 Died 7 Jul 1930 at age 71 (born 22 May 1859).   quotes
Scottish author and physician whose fictional detective, Sherlock Holmes, emulates the scientist, diligently searching through data to make sense of it. “It is a capital mistake to theorize before one has data.” His medical degree was awarded at the University of Edinburgh, where he studied under noted surgeon Joseph Bell. After serving as the doctor on an Arctic whaling ship, he practiced in England for a short time as a physician, with little income. So he turned to writing. He was active as a social reformer, and spoke to the Committee on the Daylight Saving Bill in 1908 advocating its adoption. Later in life he was a convert to spiritualism, and requested burial in an upright position in the garden of his home.«   more
Booklist for Arthur Conan Doyle.
  Magnus Gφsta Mittag-Leffler
 Died 7 Jul 1927 at age 81 (born 16 Mar 1846).
Swedish mathematician who founded the international mathematical journal Acta Mathematica and whose contributions to mathematical research helped advance the Scandinavian school of mathematics. Mittag-Leffler made numerous contributions to mathematical analysis (concerned with limits and including calculus, analytic geometry and probability theory). He worked on the general theory of functions, concerning relationships between independent and dependent variables. His best known work concerned the analytic representation of a one-valued function, this work culminated in the Mittag-Leffler theorem.
  Paul Moody
 Died 7 Jul 1831 at age 52 (born 23 May 1779).
American inventor and mechanic of textile machinery, who collaborated with Francis Cabot Lowell, the principal founder of a the Boston Manufacturing Company textile mill at Waltham, Massachusetts. Moody oversaw the factory operations, but also worked with Lowell to develop an efficient power loom, the first constructed in the U.S. (1814), the “dead spindle” spinning apparatus, and other innovations. In 1823, he became an investor and began working at the newly founded Merrimack Company in Lowell, Massacusetts to manufacture calico. By contributing a substantial number of patented improvements in textile machinery, he was important in the development of the textile industry in New England.«
  Claudius Amyand
 Died 7 Jul 1740 (born c. 1685).
English surgeon whose name is remembered in the term “Amyand's hernia” for an inguinal hernia with an appendix involved. In 1736, Amyand described a surgery for a hernia in an 11-year-old boy where the appendix, perforated by a pin, was within the hernia sac. It is regarded as the first recorded successful appendectomy, though the removal of the appendix was a secondary procedure to the hernia repair. (The first appendectomy which was the planned primary purpose of the procedure is usually credited to Lawson Tait, who performed the operation in May of 1880.) Amyand was Surgeon-in-Ordinary to King George II (1683-1760). He published interesting observations on rare surgical cases in the Philosophical Transactions. [Birth date source gives range as the 1680s. Ref. for the hernia surgery: Philos Trans R Soc Lond 1736; 39: 329-336.]

Sitewide search within all Today In Science History pages:
Custom Quotations Search - custom search within only our quotations pages:
Visit our Science and Scientist Quotations index for more Science Quotes from archaeologists, biologists, chemists, geologists, inventors and inventions, mathematicians, physicists, pioneers in medicine, science events and technology.

Names index: | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |

Categories index: | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 1 | 2 | 3 | 4 |
JULY 7 – EVENTS – Science events on July 7th
  Solar Challenger
  In 1981, the first solar-powered aircraft, Solar Challenger, crossed the English Channel.
  First successful thumb replantation
  In 1965, the first successful surgery to replant a completely amputated thumb was accomplished by Shigeo Komatsu and Susumi Tamai. They used a surgical microscope to operate on a 28-yr-old man's thumb, which had been severed at the metacarpophalangeal level. They published their work in the Journal of Plastic and Reconstructive Surgery in 1968. The surgeons had been working since 1959, with “many failures.” The way had been paved by Jacobson and Suarez who, in 1960, achieved anastomoses of 1mm diam. vessels under an operating microscope. A medical writer suggested the availability of 8/0 monofilament suture was the key to success by Komatsu and Tamai.. By 1992, they had replanted 331 digits at the Orthopaedic Clinic of Nara Medical University Hospital, Kashihara, Japan.« [Ref: Plast. Reconstr. Surg. (1968); 42:374. Image: a modern operating microscope.]
  Phillips-head screw
  In 1936, several U.S. patents were issued for the Phillips-head screw and screwdriver to its inventor, Henry F. Phillips (Nos. 2,046,343, 2,046,837, -38, -39, -40). They describe a fastening system involving a shallow cruciform recess and a matching driver with a tapering tip that conveniently self-centers in the screw head. Phillips founded the Phillips Screw Company to license his patents. After three years of rejection, he finally persuaded the American Screw Company to spend $500,000 developing a production process and manufacture the screws. General Motors was convinced to use the screws on its 1936 Cadillac. By 1940 virtually every American automaker had switched to Phillips screws.
  Boulder Dam construction begins
Thumbnail - Boulder Dam construction begins
1933
(source)
  In 1930, contruction began on the site infrastructure to build Boulder Dam (Hoover Dam). What had taken decades to come to a political resolution, took only five years more to become a reality. It took the labour of 21,000 men to produce what is now the second-highest dam in the country. The concrete gravity-arch dam on the Colorado River between Nevada and Arizona, impounds Lake Mead, the largest U.S. reservoir. It generates electricity, supplies water to California cities and irrigation to support farming, as well as flood control. Bids for construction were opened on 11 Mar 1931, and awarded to Six Companies, Inc., for $48,890,995. On 6 Jun 1933, the first concrete was poured. It was dedicated on 30 Sep 1935, by President Franklin D. Roosevelt[Image: postcard drawing showing construction.]
Colossus: Hoover Dam and the Making of the American Century, by Michael Hiltzik. - book suggestion.
Booklist for Hoover Dam history.
  Radio compass
  In 1920, a device known as the radio compass was used for the first time on a U.S. Navy airplane near Norfolk, Virginia on this day.
  Goddard's first rocket patent
  In 1914, Robert Goddard, age 31, was issued a U.S. patent, the first of the 214 he would obtain in his lifetime as a pioneer rocket scientist. This patent was for a “Rocket Apparatus” (U.S. No. 1,102,653) which described the multi-stage rocket concept. A liquid-fueled rocket design was issued a patent the following week, on 14 Jul 1914, also titled “Rocket Apparatus.” It described a combustion chamber, with expander nozzle, into which liquid fuels are pumped. This was his second rocket patent. On 16 Mar 1926, his test launch, the first ever of a liquid-fuelled rocket, managed to propel a 10-ft long projectile to a height of 41-ft (12.5 m). Its 2.5 second flight covered a distance of 184-ft at an average speed of 60-mph. The fuel was a combination of liquid oxygen and gasoline.«
Rocket Man: Robert H. Goddard and the Birth of the Space Age, by David A. Clary. - book suggestion.
Booklist for Robert Goddard.
  Travelers cheque
  In 1891, a patent was granted for the travelers cheque
  Cartridge-loading machine
  In 1885, G. Moore Peters of Xenia, OH, patented the cartridge-loading machine.
  Faraday on River Thames pollution
  In 1855, a letter from Michael Faraday in The Times newspaper, London, described the polluted state of the River Thames he had observed on a boat trip: “The whole of the river was an opaque pale brown fluid. In order to test the degree of opacity, I ... dropped [pieces of card] into the water at every pier the boat came to; before they had sunk an inch below the surface they were indistinguishable, though the sun shone brightly at the time.” His words, he said, were no exaggeration, they were “the simple truth.” He asserted, “If there be sufficient authority to remove a putrescent pond from the neighbourhood of a few simple dwellings, surely the river which flows for so many miles through London ought not to be allowed to become a fermenting sewer.” [Image: 1855 Punch cartoon of Father Thames greeting Faraday.]   more
The Great Stink of London: Sir Joseph Bazalgette and the Cleansing of the Victorian Metropolis, by Stephen Halliday. - book suggestion.
  Goldbach's conjecture
  In 1742, the Russian mathematician Christian Goldbach dated a letter to Leonhard Euler in which he presented his famous conjecture. Stated in modern terms, Goldberg's conjecture proposes that “Every even natural number greater than 2 is equal to the sum of two prime numbers.” It has been checked by computer for vast numbers - up to at least 4 x 1014 - but still remains unproved. Goldbach also studied infinite sums, the theory of curves and the theory of equations.« [Image: Letter to Euler, in which Goldbach presented his conjecture.]
  Isaac Newton receives degree
  In 1668, Isaac Newton received his M.A. from Trinity College in Cambridge.
Booklist for Isaac Newton.
  Chocolate
  In 1550, Europe introduced the first chocolate.


who invites your feedback

- 100 -
Sophie Germain
Gertrude Elion
Ernest Rutherford
James Chadwick
Marcel Proust
William Harvey
Johann Goethe
John Keynes
Carl Gauss
Paul Feyerabend
- 90 -
Antoine Lavoisier
Lise Meitner
Charles Babbage
Ibn Khaldun
Euclid
Ralph Emerson
Robert Bunsen
Frederick Banting
Andre Ampere
Winston Churchill
- 80 -
John Locke
Bronislaw Malinowski
Bible
Thomas Huxley
Alessandro Volta
Erwin Schrodinger
Wilhelm Roentgen
Louis Pasteur
Bertrand Russell
Jean Lamarck
- 70 -
Samuel Morse
John Wheeler
Nicolaus Copernicus
Robert Fulton
Pierre Laplace
Humphry Davy
Thomas Edison
Lord Kelvin
Theodore Roosevelt
Carolus Linnaeus
- 60 -
Francis Galton
Linus Pauling
Immanuel Kant
Martin Fischer
Robert Boyle
Karl Popper
Paul Dirac
Avicenna
James Watson
William Shakespeare
- 50 -
Stephen Hawking
Niels Bohr
Nikola Tesla
Rachel Carson
Max Planck
Henry Adams
Richard Dawkins
Werner Heisenberg
Alfred Wegener
John Dalton
- 40 -
Pierre Fermat
Edward Wilson
Johannes Kepler
Gustave Eiffel
Giordano Bruno
JJ Thomson
Thomas Kuhn
Leonardo DaVinci
Archimedes
David Hume
- 30 -
Andreas Vesalius
Rudolf Virchow
Richard Feynman
James Hutton
Alexander Fleming
Emile Durkheim
Benjamin Franklin
Robert Oppenheimer
Robert Hooke
Charles Kettering
- 20 -
Carl Sagan
James Maxwell
Marie Curie
Rene Descartes
Francis Crick
Hippocrates
Michael Faraday
Srinivasa Ramanujan
Francis Bacon
Galileo Galilei
- 10 -
Aristotle
John Watson
Rosalind Franklin
Michio Kaku
Isaac Asimov
Charles Darwin
Sigmund Freud
Albert Einstein
Florence Nightingale
Isaac Newton

Thank you for sharing.
Today in Science History
Sign up for Newsletter
with quiz, quotes and more.