1835 in science
Encyclopedia
The year 1835 in science
Science
Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe...

and technology
Technology
Technology is the making, usage, and knowledge of tools, machines, techniques, crafts, systems or methods of organization in order to solve a problem or perform a specific function. It can also refer to the collection of such tools, machinery, and procedures. The word technology comes ;...

 involved some significant events, listed below.

Astronomy

  • August 5 - First sighting of the return of Comet Halley
    Comet Halley
    Halley's Comet or Comet Halley is the best-known of the short-period comets, and is visible from Earth every 75 to 76 years. Halley is the only short-period comet that is clearly visible to the naked eye from Earth, and thus the only naked-eye comet that might appear twice in a human lifetime...

     by Father Dumouchel, director of the Collegio Romano at the Vatican
    Vatican City
    Vatican City , or Vatican City State, in Italian officially Stato della Città del Vaticano , which translates literally as State of the City of the Vatican, is a landlocked sovereign city-state whose territory consists of a walled enclave within the city of Rome, Italy. It has an area of...

    . It is next seen on August 21 by Friedrich Georg Wilhelm Struve at the Dorpat Observatory. John Herschel
    John Herschel
    Sir John Frederick William Herschel, 1st Baronet KH, FRS ,was an English mathematician, astronomer, chemist, and experimental photographer/inventor, who in some years also did valuable botanical work...

     had been expected to find the comet first, as he was at the time in South Africa
    South Africa
    The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

     with his 20 ft focal length reflector - at this time the largest telescope in the world. He finally observes it in October and watches until it reaches perihelion November 16. It reappears in January 1836, and Herschel will be the last person to observe it in May.
  • August 25 - The first article in a series on discoveries of living creatures on the moon supposedly made by Herschel and a fictitious companion named Dr. Andrew Grant is published in the New York Sun
    New York Sun (historical)
    The Sun was a New York newspaper that was published from 1833 until 1950. It was considered a serious paper, like the city's two more successful broadsheets, The New York Times and the New York Herald Tribune...

    . This incident is now known as the Great Moon Hoax
    Great Moon Hoax
    "The Great Moon Hoax" refers to a series of six articles that were published in the New York Sun beginning on August 25, 1835, about the supposed discovery of life and even civilization on the Moon...

    .
  • Caroline Herschel
    Caroline Herschel
    Caroline Lucretia Herschel was a German-British astronomer, the sister of astronomer Sir Friedrich Wilhelm Herschel with whom she worked throughout both of their careers. Her most significant contribution to astronomy was the discovery of several comets and in particular the periodic comet...

     and Mary Somerville
    Mary Somerville
    Mary Fairfax Somerville was a Scottish science writer and polymath, at a time when women's participation in science was discouraged...

     become the first women members of the Royal Astronomical Society
    Royal Astronomical Society
    The Royal Astronomical Society is a learned society that began as the Astronomical Society of London in 1820 to support astronomical research . It became the Royal Astronomical Society in 1831 on receiving its Royal Charter from William IV...

    .

Biology

  • January - J. C. Loudon begins publication of Arboretum et Fruticetum Britannicum.

Geology

  • Ordnance Geological Survey
    British Geological Survey
    The British Geological Survey is a partly publicly funded body which aims to advance geoscientific knowledge of the United Kingdom landmass and its continental shelf by means of systematic surveying, monitoring and research. The BGS headquarters are in Keyworth, Nottinghamshire, but other centres...

     founded in Britain
    Great Britain
    Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

    , under Henry De la Beche
    Henry De la Beche
    Sir Henry Thomas De la Beche FRS was an English geologist and palaeontologist who helped pioneer early geological survey methods.-Biography:...

    , the world's first national geological survey
    Geological survey
    The term geological survey can be used to describe both the conduct of a survey for geological purposes and an institution holding geological information....

    .
  • Roderick Murchison
    Roderick Murchison
    Sir Roderick Impey Murchison, 1st Baronet KCB DCL FRS FRSE FLS PRGS PBA MRIA was a Scottish geologist who first described and investigated the Silurian system.-Early life and work:...

     names the Silurian
    Silurian
    The Silurian is a geologic period and system that extends from the end of the Ordovician Period, about 443.7 ± 1.5 Mya , to the beginning of the Devonian Period, about 416.0 ± 2.8 Mya . As with other geologic periods, the rock beds that define the period's start and end are well identified, but the...

     period, and Adam Sedgwick
    Adam Sedgwick
    Adam Sedgwick was one of the founders of modern geology. He proposed the Devonian period of the geological timescale...

     the Cambrian
    Cambrian
    The Cambrian is the first geological period of the Paleozoic Era, lasting from Mya ; it is succeeded by the Ordovician. Its subdivisions, and indeed its base, are somewhat in flux. The period was established by Adam Sedgwick, who named it after Cambria, the Latin name for Wales, where Britain's...

    .

Chemistry

  • Vinyl chloride
    Vinyl chloride
    Vinyl chloride is the organochloride with the formula H2C:CHCl. It is also called vinyl chloride monomer, VCM or chloroethene. This colorless compound is an important industrial chemical chiefly used to produce the polymer polyvinyl chloride . At ambient pressure and temperature, vinyl chloride...

     first produced by Justus von Liebig
    Justus von Liebig
    Justus von Liebig was a German chemist who made major contributions to agricultural and biological chemistry, and worked on the organization of organic chemistry. As a professor, he devised the modern laboratory-oriented teaching method, and for such innovations, he is regarded as one of the...

     and his student Henri Victor Regnault
    Henri Victor Regnault
    Henri Victor Regnault was a French chemist and physicist best known for his careful measurements of the thermal properties of gases. He was an early thermodynamicist and was mentor to William Thomson in the late 1840s....

    .

Mathematics

  • Dirichlet proves Dirichlet's theorem
    Dirichlet's theorem on arithmetic progressions
    In number theory, Dirichlet's theorem, also called the Dirichlet prime number theorem, states that for any two positive coprime integers a and d, there are infinitely many primes of the form a + nd, where n ≥ 0. In other words, there are infinitely many primes which are...

     about prime numbers in arithmetical progressions.
  • Adolphe Quetelet
    Adolphe Quetelet
    Lambert Adolphe Jacques Quetelet was a Belgian astronomer, mathematician, statistician and sociologist. He founded and directed the Brussels Observatory and was influential in introducing statistical methods to the social sciences...

     publishes Sur l'homme et le développement de ses facultés, ou Essai de physique sociale (translated as Treatise on Man), outlining his theory of "social physics" and describing his concept of the "average man" (l'homme moyen) who is characterized by the mean values of measured variables that follow a normal distribution.

Medicine

  • Pierre Charles Alexandre Louis
    Pierre Charles Alexandre Louis
    Pierre Charles Alexandre Louis was a French physician, known for introducing the use of the "numerical method" in the field of medicine — i.e., the concept that knowledge about a disease, its history, clinical presentation and treatment, could be derived from aggregated patient data.Louis became...

     publishes his book Recherches sur les effets de la saignée dans quelques maladies inflammatoires et sur l'action de l'émétique et des vésicatoires dans la pneumonie in Paris
    Paris
    Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

    , in which he analyzes case studies to demonstrate that bloodletting
    Bloodletting
    Bloodletting is the withdrawal of often little quantities of blood from a patient to cure or prevent illness and disease. Bloodletting was based on an ancient system of medicine in which blood and other bodily fluid were considered to be "humors" the proper balance of which maintained health...

     is largely ineffective as a treatment.

Physics

  • William Rowan Hamilton
    William Rowan Hamilton
    Sir William Rowan Hamilton was an Irish physicist, astronomer, and mathematician, who made important contributions to classical mechanics, optics, and algebra. His studies of mechanical and optical systems led him to discover new mathematical concepts and techniques...

     states Hamilton's canonical equations of motion.
  • Gaspard-Gustave Coriolis
    Gaspard-Gustave Coriolis
    Gaspard-Gustave de Coriolis or Gustave Coriolis was a French mathematician, mechanical engineer and scientist. He is best known for his work on the supplementary forces that are detected in a rotating frame of reference. See the Coriolis Effect...

     examines motion on a spinning surface and deduces the Coriolis effect
    Coriolis effect
    In physics, the Coriolis effect is a deflection of moving objects when they are viewed in a rotating reference frame. In a reference frame with clockwise rotation, the deflection is to the left of the motion of the object; in one with counter-clockwise rotation, the deflection is to the right...

    .

Technology

  • August - H. Fox Talbot
    William Fox Talbot
    William Henry Fox Talbot was a British inventor and a pioneer of photography. He was the inventor of calotype process, the precursor to most photographic processes of the 19th and 20th centuries. He was also a noted photographer who made major contributions to the development of photography as an...

     exposes the world's first photographic negative
    Negative (photography)
    In photography, a negative may refer to three different things, although they are all related.-A negative:Film for 35 mm cameras comes in long narrow strips of chemical-coated plastic or cellulose acetate. As each image is captured by the camera onto the film strip, the film strip advances so that...

    s at Lacock Abbey
    Lacock Abbey
    Lacock Abbey in the village of Lacock, Wiltshire, England, was founded in the early 13th century by Ela, Countess of Salisbury, as a nunnery of the Augustinian order.- History :...

     in Wiltshire
    Wiltshire
    Wiltshire is a ceremonial county in South West England. It is landlocked and borders the counties of Dorset, Somerset, Hampshire, Gloucestershire, Oxfordshire and Berkshire. It contains the unitary authority of Swindon and covers...

    , England
    England
    England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

    .
  • September 12 - A Prussia
    Prussia
    Prussia was a German kingdom and historic state originating out of the Duchy of Prussia and the Margraviate of Brandenburg. For centuries, the House of Hohenzollern ruled Prussia, successfully expanding its size by way of an unusually well-organized and effective army. Prussia shaped the history...

    n patent
    Patent
    A patent is a form of intellectual property. It consists of a set of exclusive rights granted by a sovereign state to an inventor or their assignee for a limited period of time in exchange for the public disclosure of an invention....

     is granted to Wilhelm Friedrich Wieprecht
    Wilhelm Friedrich Wieprecht
    Wilhelm Friedrich Wieprecht was a German musical conductor, composer and inventor.-Early life and career:Wieprecht was born at Aschersleben, where his father was town musician....

     and Carl Moritz for a valved bass tuba
    Tuba
    The tuba is the largest and lowest-pitched brass instrument. Sound is produced by vibrating or "buzzing" the lips into a large cupped mouthpiece. It is one of the most recent additions to the modern symphony orchestra, first appearing in the mid-19th century, when it largely replaced the...

    .
  • Samuel Colt
    Samuel Colt
    Samuel Colt was an American inventor and industrialist. He was the founder of Colt's Patent Fire-Arms Manufacturing Company , and is widely credited with popularizing the revolver. Colt's innovative contributions to the weapons industry have been described by arms historian James E...

     invents the revolver
    Revolver
    A revolver is a repeating firearm that has a cylinder containing multiple chambers and at least one barrel for firing. The first revolver ever made was built by Elisha Collier in 1818. The percussion cap revolver was invented by Samuel Colt in 1836. This weapon became known as the Colt Paterson...

    .
  • Samuel Morse develops the Morse code
    Morse code
    Morse code is a method of transmitting textual information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment...

    .

Births

  • March 12 - Simon Newcomb
    Simon Newcomb
    Simon Newcomb was a Canadian-American astronomer and mathematician. Though he had little conventional schooling, he made important contributions to timekeeping as well as writing on economics and statistics and authoring a science fiction novel.-Early life:Simon Newcomb was born in the town of...

     (d. 1909
    1909 in science
    The year 1909 in science and technology involved some significant events, listed below.-Chemistry:* Summer - Fritz Haber and Carl Bosch first demonstrate the Haber process, the catalytic formation of ammonia from hydrogen and atmospheric nitrogen under conditions of high temperature and...

    ), Canadian mathematician
    Mathematician
    A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....

     and astronomer
    Astronomer
    An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

    .
  • March 14 - Giovanni Schiaparelli
    Giovanni Schiaparelli
    Giovanni Virginio Schiaparelli was an Italian astronomer and science historian. He studied at the University of Turin and Berlin Observatory. In 1859-1860 he worked in Pulkovo Observatory and then worked for over forty years at Brera Observatory...

     (d. 1910
    1910 in science
    The year 1910 in science and technology involved some significant events, listed below.-Chemistry:* Albert Einstein and Marian Smoluchowski find the Einstein-Smoluchowski formula for the attenuation coefficient due to density fluctuations in a gas...

    ), Italian
    Italian people
    The Italian people are an ethnic group that share a common Italian culture, ancestry and speak the Italian language as a mother tongue. Within Italy, Italians are defined by citizenship, regardless of ancestry or country of residence , and are distinguished from people...

     astronomer.
  • March 24 - Joseph Stefan
    Joseph Stefan
    Joseph Stefan was a physicist, mathematician, and poet of Slovene mother tongue and Austrian citizenship.- Life and work :...

     (d. 1893
    1893 in science
    The year 1893 in science and technology involved some significant events, listed below.-Biology:* Henry Luke Bolley discovers a method of treating smut with formaldehyde.-Exploration:...

    ), Austro
    Austrian Empire
    The Austrian Empire was a modern era successor empire, which was centered on what is today's Austria and which officially lasted from 1804 to 1867. It was followed by the Empire of Austria-Hungary, whose proclamation was a diplomatic move that elevated Hungary's status within the Austrian Empire...

    -Slovene physicist
    Physicist
    A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...

     and mathematician.
  • March 29 - Gustaf Zander (d. 1920), Swedish
    Swedes
    Swedes are a Scandinavian nation and ethnic group native to Sweden, mostly inhabiting Sweden and the other Nordic countries, with descendants living in a number of countries.-Etymology:...

     physician
    Physician
    A physician is a health care provider who practices the profession of medicine, which is concerned with promoting, maintaining or restoring human health through the study, diagnosis, and treatment of disease, injury and other physical and mental impairments...

    .
  • August 2 - Elisha Gray
    Elisha Gray
    Elisha Gray was an American electrical engineer who co-founded the Western Electric Manufacturing Company...

     (d. 1901
    1901 in science
    The year 1901 in science and technology involved some significant events, listed below.-Biology:* Okapi, a relative of the Giraffe found in the rainforests around the Congo River in north east Zaire, is discovered ....

    ), American
    United States
    The United States of America is a federal constitutional republic comprising fifty states and a federal district...

     electrical engineer.
  • October 1 - Ádám Politzer
    Ádám Politzer
    Adam Politzer was a Hungarian and Austrian physician and one of the pioneers and founders of otology.- Life :Adam Politzer was born in Alberti , near the city of Budapest, to a well-to-do Jewish family....

     (d. 1920
    1920 in science
    The year 1920 in science and technology involved some significant events, listed below.-History of science and technology:* Newcomen Society founded in the United Kingdom for the study of the history of engineering and technology.-Medicine:...

    ), Hungarian
    Kingdom of Hungary
    The Kingdom of Hungary comprised present-day Hungary, Slovakia and Croatia , Transylvania , Carpatho Ruthenia , Vojvodina , Burgenland , and other smaller territories surrounding present-day Hungary's borders...

     otologist.

Deaths

  • August 18 - Friedrich Strohmeyer
    Friedrich Strohmeyer
    Friedrich Stromeyer was a German chemist.Stromeyer received his degree from the University of Göttingen in 1800...

     (b. 1776
    1776 in science
    The year 1776 in science and technology involved some significant events.-Botany:* William Withering publishes The botanical arrangement of all the vegetables naturally growing in Great Britain, the first flora in English based on Linnaean taxonomy....

    ), chemist
    Chemist
    A chemist is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties such as density and acidity. Chemists carefully describe the properties they study in terms of quantities, with detail on the level of molecules and their component atoms...

    .
  • September 14 - John Brinkley
    John Brinkley (astronomer)
    The Rt. Rev. John Mortimer Brinkley D.D. was the first Royal Astronomer of Ireland and later Bishop of Cloyne.-Early years:...

     (b. 1763
    1763 in science
    The year 1763 in science and technology involved some significant events.-Astronomy:* Publication of Nicolas Louis de Lacaille's Coelum australe stelliferum, cataloguing all his data from the southern hemisphere and including about 10,000 stars and a number of brighter star clusters and nebulae.*...

    ), astronomer
    Astronomer
    An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

    .
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