Cavendish plaque at original New Museums Site
|Affiliation||University of Cambridge|
|Head of department||Andy Parker|
|Cavendish Professor of Physics||Richard Friend|
The Cavendish Laboratory is the Department of Physics at the University of Cambridge, and is part of the School of Physical Sciences. The laboratory was opened in 1874 on the New Museums Site as a laboratory for experimental physics and is named after the British chemist and physicist Henry Cavendish. The laboratory has had a huge influence on research in the disciplines of physics and biology.
Physics is the natural science that studies matter, its motion and behavior through space and time, and that studies the related entities of energy and force. Physics is one of the most fundamental scientific disciplines, and its main goal is to understand how the universe behaves.
The University of Cambridge is a collegiate public research university in Cambridge, United Kingdom. Founded in 1209 and granted a royal charter by King Henry III in 1231, Cambridge is the second-oldest university in the English-speaking world and the world's fourth-oldest surviving university. The university grew out of an association of scholars who left the University of Oxford after a dispute with the townspeople. The two 'ancient universities' share many common features and are often referred to jointly as 'Oxbridge'. The academic standards, history, influence and wealth of the University of Cambridge has made it one of the most prestigious universities in the world.
The New Museums Site is a major site of the University of Cambridge, located on Pembroke Street and Free School Lane, sandwiched between Corpus Christi College, Pembroke College and Lion Yard. Its postcode is CB2 3QH. The smaller and older of two university city-centre science sites, the New Museums Site houses many of the university's science departments, lecture halls and examination rooms, as well as two museums.
The laboratory moved to its present site in West Cambridge in 1974.
West Cambridge is a university site to the west of Cambridge city centre in England. As part of the West Cambridge Master Plan, several of the University of Cambridge's departments have relocated to the West Cambridge site from the centre of town due to overcrowding. A number of other research institutions also have buildings on the site.
As of 2019 [update] , 30 Cavendish researchers have won Nobel Prizes. Notable discoveries to have occurred at the Cavendish Laboratory include the discovery of the electron, neutron, and structure of DNA.
The Nobel Prize is a set of annual international awards bestowed in several categories by Swedish and Norwegian institutions in recognition of academic, cultural, or scientific advances. The will of the Swedish chemist, engineer and industrialist Alfred Nobel established the five Nobel prizes in 1895. The prizes in Chemistry, Literature, Peace, Physics, and Physiology or Medicine were first awarded in 1901. The prizes are widely regarded as the most prestigious awards available in their respective fields.
The Cavendish Laboratory was initially located on the New Museums Site, Free School Lane, in the centre of Cambridge. It is named after British chemist and physicist Henry Cavendishfor contributions to science and his relative William Cavendish, 7th Duke of Devonshire, who served as chancellor of the university and donated funds for the construction of the laboratory.
Free School Lane is a historic street in central Cambridge, England which includes important buildings of University of Cambridge. It is the location of the Whipple Museum of the History of Science, the Department of History and Philosophy of Science (HPS,) the University's faculty of Social and Political Sciences, and is the original site of the Engineering Department, and the Physics Department's Cavendish Laboratory. At the northern end is Bene't Street and at the southern end is Pembroke Street. To the east is the New Museums Site of the University. To the west is Corpus Christi College.
Henry Cavendish FRS was an English natural philosopher, scientist, and an important experimental and theoretical chemist and physicist. He is noted for his discovery of hydrogen, which he termed "inflammable air". He described the density of inflammable air, which formed water on combustion, in a 1766 paper, On Factitious Airs. Antoine Lavoisier later reproduced Cavendish's experiment and gave the element its name.
William Cavendish, 7th Duke of Devonshire,, styled as Lord Cavendish of Keighley between 1831 and 1834 and known as The Earl of Burlington between 1834 and 1858, was a British landowner, benefactor, nobleman, and politician.
Professor James Clerk Maxwell, the developer of electromagnetic theory, was a founder of the laboratory and the first Cavendish Professor of Physics.The Duke of Devonshire had given to Maxwell, as head of the laboratory, the manuscripts of Henry Cavendish's unpublished Electrical Works. The editing and publishing of these was Maxwell's main scientific work while he was at the laboratory. Cavendish's work aroused Maxwell's intense admiration and he decided to call the Laboratory (formerly known as the Devonshire Laboratory) the Cavendish Laboratory and thus to commemorate both the Duke and Henry Cavendish.
James Clerk Maxwell was a Scottish scientist in the field of mathematical physics. His most notable achievement was to formulate the classical theory of electromagnetic radiation, bringing together for the first time electricity, magnetism, and light as different manifestations of the same phenomenon. Maxwell's equations for electromagnetism have been called the "second great unification in physics" after the first one realised by Isaac Newton.
The Cavendish Professorship is one of the senior faculty positions in physics at the University of Cambridge. It was founded on 9 February 1871 alongside the famous Cavendish Laboratory, which was completed three years later. William Cavendish, 7th Duke of Devonshire endowed both the professorship and laboratory in honor of his relative, chemist and physicist Henry Cavendish.
Several important early physics discoveries were made here, including the discovery of the electron by J.J. Thomson (1897) the Townsend discharge by John Sealy Townsend, and the development of the cloud chamber by C.T.R. Wilson.
The electron is a subatomic particle, symbol
, whose electric charge is negative one elementary charge. Electrons belong to the first generation of the lepton particle family, and are generally thought to be elementary particles because they have no known components or substructure. The electron has a mass that is approximately 1/1836 that of the proton. Quantum mechanical properties of the electron include an intrinsic angular momentum (spin) of a half-integer value, expressed in units of the reduced Planck constant, ħ. Being fermions, no two electrons can occupy the same quantum state, in accordance with the Pauli exclusion principle. Like all elementary particles, electrons exhibit properties of both particles and waves: they can collide with other particles and can be diffracted like light. The wave properties of electrons are easier to observe with experiments than those of other particles like neutrons and protons because electrons have a lower mass and hence a longer de Broglie wavelength for a given energy.
Sir Joseph John Thomson was an English physicist and Nobel Laureate in Physics, credited with the discovery and identification of the electron, the first subatomic particle to be discovered.
The Townsend discharge or Townsend avalanche is a gas ionisation process where free electrons are accelerated by an electric field, collide with gas molecules, and consequently free additional electrons. Those electrons are in turn accelerated and free additional electrons. The result is an avalanche multiplication that permits electrical conduction through the gas. The discharge requires a source of free electrons and a significant electric field; without both, the phenomenon does not occur.
Ernest Rutherford became Director of the Cavendish Laboratory in 1919. Under his leadership the neutron was discovered by James Chadwick in 1932, and in the same year the first experiment to split the nucleus in a fully controlled manner was performed by students working under his direction; John Cockcroft and Ernest Walton.
Physical Chemistry (originally the department of Colloid Science led by Eric Rideal) had left the old Cavendish site, subsequently locating as the Department of Physical Chemistry (under RG Norrish) in the then new chemistry building with the Department of Chemistry (led by Lord Todd) in Lensfield Road: both chemistry departments merged in the 1980s.
In World War II the laboratory carried out research for the MAUD Committee, part of the British Tube Alloys project of research into the atomic bomb. Researchers included Nicholas Kemmer, Alan Nunn May, Anthony French, Samuel Curran and the French scientists including Lew Kowarski and Hans von Halban. Several transferred to Canada in 1943; the Montreal Laboratory and some later to the Chalk River Laboratories. The production of plutonium and neptunium by bombarding uranium-238 with neutrons was predicted in 1940 by two teams working independently: Egon Bretscher and Norman Feather at the Cavendish and Edwin M. McMillan and Philip Abelson at Berkeley Radiation Laboratory at the University of California, Berkeley.
The Cavendish Laboratory has had an important influence on biology, mainly through the application of X-ray crystallography to the study of structures of biological molecules. Francis Crick already worked in the Medical Research Council Unit, headed by Max Perutzand housed in the Cavendish Laboratory, when James Watson came from the United States and they made a breakthrough in discovering the structure of DNA. For their work while in the Cavendish Laboratory, they were jointly awarded the Nobel Prize in Physiology or Medicine in 1962, together with Maurice Wilkins of King's College London, himself a graduate of St. John's College, Cambridge.
The discovery was made on 28 February 1953; the first Watson/Crick paper appeared in Nature on 25 April 1953. Sir Lawrence Bragg, the director of the Cavendish Laboratory, where Watson and Crick worked, gave a talk at Guy's Hospital Medical School in London on Thursday 14 May 1953 which resulted in an article by Ritchie Calder in the News Chronicle of London, on Friday 15 May 1953, entitled "Why You Are You. Nearer Secret of Life." The news reached readers of The New York Times the next day; Victor K. McElheny, in researching his biography, Watson and DNA: Making a Scientific Revolution, found a clipping of a six-paragraph New York Times article written from London and dated 16 May 1953 with the headline "Form of `Life Unit' in Cell Is Scanned." The article ran in an early edition and was then pulled to make space for news deemed more important. (The New York Times subsequently ran a longer article on 12 June 1953). The Cambridge University undergraduate newspaper Varsity also ran its own short article on the discovery on Saturday 30 May 1953. Bragg's original announcement of the discovery at a Solvay Conference on proteins in Belgium on 8 April 1953 went unreported by the British press.
Sydney Brenner, Jack Dunitz, Dorothy Hodgkin, Leslie Orgel, and Beryl M. Oughton, were some of the first people in April 1953 to see the model of the structure of DNA, constructed by Crick and Watson; at the time they were working at the University of Oxford's Chemistry Department. All were impressed by the new DNA model, especially Brenner who subsequently worked with Crick at Cambridge in the Cavendish Laboratory and the new Laboratory of Molecular Biology. According to the late Dr. Beryl Oughton, later Rimmer, they all travelled together in two cars once Dorothy Hodgkin announced to them that they were off to Cambridge to see the model of the structure of DNA.Orgel also later worked with Crick at the Salk Institute for Biological Studies.
Due to overcrowding in the old buildings, it moved to its present site in West Cambridge in the early 1970s.It is due to move again to a third site currently under construction in West Cambridge.
The Cavendish Professors were the heads of the department until the tenure of Sir Brian Pippard, during which period the roles separated.
Areas in which the Laboratory has been influential include:-
As of 2015 [update] the laboratory is headed by Andy Parker and the Cavendish Professor of Physics is Sir Richard Friend.
As of 2015 [update] senior academic staff (Professors or Readers) include:
The Cavendish is home to a number of emeritus scientists, pursuing their research interests in the laboratory after their formal retirement.
Besides the Nobel Laureates, the Cavendish has many distinguished alumni including:
Max Ferdinand Perutz was an Austrian-born British molecular biologist, who shared the 1962 Nobel Prize for Chemistry with John Kendrew, for their studies of the structures of haemoglobin and myoglobin. He went on to win the Royal Medal of the Royal Society in 1971 and the Copley Medal in 1979. At Cambridge he founded and chaired (1962–79) The Medical Research Council (MRC) Laboratory of Molecular Biology (LMB), fourteen of whose scientists have won Nobel Prizes. Perutz's contributions to molecular biology in Cambridge are documented in The History of the University of Cambridge: Volume 4 published by the Cambridge University Press in 1992.
Sir William Lawrence Bragg, was an Australian-born British physicist and X-ray crystallographer, discoverer (1912) of Bragg's law of X-ray diffraction, which is basic for the determination of crystal structure. He was joint recipient of the Nobel Prize in Physics in 1915, "For their services in the analysis of crystal structure by means of X-ray"; an important step in the development of X-ray crystallography.
Sir Owen Willans Richardson, FRS was a British physicist who won the Nobel Prize in Physics in 1928 for his work on thermionic emission, which led to Richardson's law.
David Mervyn Blow was an influential British biophysicist. He was best known for the development of X-ray crystallography, a technique used to determine the molecular structures of tens of thousands of biological molecules. This has been extremely important to the pharmaceutical industry.
Sir Richard Tetley Glazebrook was an English physicist.
Malcolm Sim Longair is a British physicist. From 1991 to 2008 he was the Jacksonian Professor of Natural Philosophy in the Cavendish Laboratory at the University of Cambridge. Since 2016 he has been editor-in-chief of the Biographical Memoirs of Fellows of the Royal Society.
Sir John Sealy Edward Townsend, FRS was an Irish mathematical physicist who conducted various studies concerning the electrical conduction of gases and directly measured the electrical charge. He was a Wykeham Professor of physics at Oxford University.
David Tabor, FRS was a British physicist who was an early pioneer of tribology, the study of frictional interaction between surfaces, and well known for his influential undergraduate textbook "Gases, Liquids and Solids".
David Shoenberg, MBE FRS, was a British physicist.
Sir Alfred Brian Pippard, FRS, was a British physicist. He was Cavendish Professor of Physics from 1971 until 1982 and an Honorary Fellow of Clare Hall, Cambridge, of which he was the first President.
Prof Philip Ivor Dee CBE FRS FRSE was a British nuclear physicist. He was responsible for the development of airborne radar during the Second World War. Glasgow University named the Philip Ivor Dee Memorial Lecture after him.
The School of Physics and Astronomy at the University of Manchester is one of the largest and most active physics departments in the UK, taking around 250 new undergraduates and 50 postgraduates each year, and employing more than 80 members of academic staff and over 100 research fellows and associates. The school is based on two sites: the Schuster Laboratory on Brunswick Street and the Jodrell Bank Centre for Astrophysics in Cheshire, international headquarters of the Square Kilometre Array (SKA).
The Department of Materials Science and Metallurgy (DMSM) is a large research and teaching division of the University of Cambridge. Since 2013 it has been located in West Cambridge., having previously occupied several buildings on the New Museums Site in the centre of Cambridge.
Dr Harold Albert Wilson FRS FRSE was an English physicist.
Sir Eric James Denton was a British marine biologist who won the Royal Society's Royal Medal in 1987. He was the Director of the Marine Biological Association Laboratory in Plymouth between 1974 and 1987. He graduated with an Ordinary degree in Physics from Cambridge, before pursuing biophysics research at UCL
Sir Alan Hugh Cook FRS was a British physicist who specialised in geophysics, astrophysics and particularly precision measurement.
The Department of Chemistry at the University of Manchester is one of the largest Departments of Chemistry in the United Kingdom, with over 600 undergraduate and more than 200 postgraduate research students.
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