Sir Ralph Howard Fowler (17 January 1889 – 28 July 1944) was an English

physicist A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate cau ...

physical chemist Physical chemistry is the study of macroscopic and microscopic phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mecha ...

, and

astronomer An astronomer is a scientist in the field of astronomy who focuses on a specific question or field outside the scope of Earth. Astronomers observe astronomical objects, such as stars, planets, natural satellite, moons, comets and galaxy, galax ...

Education

Ralph H. Fowler was born at Roydon,

Essex Essex ( ) is a Ceremonial counties of England, ceremonial county in the East of England, and one of the home counties. It is bordered by Cambridgeshire and Suffolk to the north, the North Sea to the east, Kent across the Thames Estuary to the ...

, on 17 January 1889 to Howard Fowler, from Burnham,

Somerset Somerset ( , ), Archaism, archaically Somersetshire ( , , ) is a Ceremonial counties of England, ceremonial county in South West England. It is bordered by the Bristol Channel, Gloucestershire, and Bristol to the north, Wiltshire to the east ...

, and Frances Eva, daughter of George Dewhurst, a cotton merchant from

Manchester Manchester () is a city and the metropolitan borough of Greater Manchester, England. It had an estimated population of in . Greater Manchester is the third-most populous metropolitan area in the United Kingdom, with a population of 2.92&nbs ...

. He was initially educated at home, going on to attend Evans' preparatory school at Horris Hill and

Winchester College Winchester College is an English Public school (United Kingdom), public school (a long-established fee-charging boarding school for pupils aged 13–18) with some provision for day school, day attendees, in Winchester, Hampshire, England. It wa ...

. He won a scholarship to

Trinity College, Cambridge Trinity College is a Colleges of the University of Cambridge, constituent college of the University of Cambridge. Founded in 1546 by King Henry VIII, Trinity is one of the largest Cambridge colleges, with the largest financial endowment of any ...

and studied mathematics, becoming a wrangler in Part II of the

Mathematical Tripos The Mathematical Tripos is the mathematics course that is taught in the Faculty of Mathematics, University of Cambridge, Faculty of Mathematics at the University of Cambridge. Origin In its classical nineteenth-century form, the tripos was a di ...

War service

World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

he obtained a commission in the

Royal Marine Artillery The history of the Royal Marines began on 28 October 1664 with the formation of the Duke of York and Albany's Maritime Regiment of Foot soon becoming known as the Admiral's Regiment. During the War of the Spanish Succession the most historic achi ...

and was seriously wounded in his shoulder in the Gallipoli campaign. The wound enabled his friend

Archibald Hill Archibald Vivian Hill (26 September 1886 – 3 June 1977), better known to friends and colleagues as A. V. Hill, was a British physiologist, one of the founders of the diverse disciplines of biophysics and operations research. He shared the 192 ...

to use his talents properly. As Hill's second in command he worked on anti-aircraft ballistics in the

Anti-Aircraft Experimental Section The Anti-Aircraft Experimental Section of the Munitions Inventions Department was an organisation set up within Lloyd George's Ministry of Munitions in early 1916. Originally based at Northholt aerodrome, in May 1916 the section moved to the Nati ...

of HMS ''Excellent'' on Whale Island. He made a major contribution on the

aerodynamics Aerodynamics () is the study of the motion of atmosphere of Earth, air, particularly when affected by a solid object, such as an airplane wing. It involves topics covered in the field of fluid dynamics and its subfield of gas dynamics, and is an ...

of spinning shells. He was awarded the

OBE The Most Excellent Order of the British Empire is a British order of chivalry, rewarding valuable service in a wide range of useful activities. It comprises five classes of awards across both civil and military divisions, the most senior two o ...

in 1918.

Academic career

In 1919, Fowler returned to Trinity and was appointed college lecturer in mathematics in 1920. Here he worked on

thermodynamics Thermodynamics is a branch of physics that deals with heat, Work (thermodynamics), work, and temperature, and their relation to energy, entropy, and the physical properties of matter and radiation. The behavior of these quantities is governed b ...

and

statistical mechanics In physics, statistical mechanics is a mathematical framework that applies statistical methods and probability theory to large assemblies of microscopic entities. Sometimes called statistical physics or statistical thermodynamics, its applicati ...

, bringing a new approach to physical chemistry. With Arthur Milne, a comrade during the war, he wrote a seminal work on stellar spectra, temperatures, and pressures. In 1925 he was made a Fellow of the

Royal Society The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. The society fulfils a number of roles: promoting science and its benefits, re ...

. He became research supervisor to

Paul Dirac Paul Adrien Maurice Dirac ( ; 8 August 1902 – 20 October 1984) was an English mathematician and Theoretical physics, theoretical physicist who is considered to be one of the founders of quantum mechanics. Dirac laid the foundations for bot ...

and, in 1926, worked with him on the statistical mechanics of

white dwarf A white dwarf is a Compact star, stellar core remnant composed mostly of electron-degenerate matter. A white dwarf is very density, dense: in an Earth sized volume, it packs a mass that is comparable to the Sun. No nuclear fusion takes place i ...

stars. In 1927 he was one of the participants of the fifth

Solvay Conference The Solvay Conferences () have been devoted to preeminent unsolved problems in both physics and chemistry. They began with the historic invitation-only 1911 Solvay Conference on Physics, considered a turning point in the world of physics, and ar ...

on Physics that took place at the International Solvay Institute for Physics in Belgium. In 1928 he published (with Lothar Nordheim) a seminal paper that explained the physical phenomenon now known as

field electron emission Field electron emission, also known as field-induced electron emission, field emission (FE) and electron field emission, is the emission of electrons from a material placed in an electrostatic field. The most common context is field emission from ...

, and helped to establish the validity of modern electron band theory. In 1931, he was the first to formulate and label the

zeroth law of thermodynamics The zeroth law of thermodynamics is one of the four principal laws of thermodynamics. It provides an independent definition of temperature without reference to entropy, which is defined in the second law. The law was established by Ralph H. Fowl ...

.Y. Cengel, M. Boles, ''Thermodynamics – An Engineering Approach'' 5th ed. In 1932 he was elected to the Chair of Theoretical Physics at the

Cavendish Laboratory 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 ...

. In 1933 he worked with

John Bernal John Desmond Bernal (; 10 May 1901 – 15 September 1971) was an Irish scientist who pioneered the use of X-ray crystallography in molecular biology. He published extensively on the history of science. In addition, Bernal wrote popular boo ...

to develop a model for the structure of water and ice known as the

ice rules In chemistry, ice rules are basic principles that govern arrangement of atoms in water ice. They are also known as Bernal–Fowler rules, after British physicists John Desmond Bernal and Ralph H. Fowler who first described them in 1933. The rule ...

. In 1939, when

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

began, he resumed his work with the Ordnance Board, despite poor health, and was chosen for scientific liaison with Canada and the United States. He knew America well, having visiting professorships at

Princeton Princeton University is a private Ivy League research university in Princeton, New Jersey, United States. Founded in 1746 in Elizabeth as the College of New Jersey, Princeton is the fourth-oldest institution of higher education in the Unit ...

and the

University of Wisconsin–Madison The University of Wisconsin–Madison (University of Wisconsin, Wisconsin, UW, UW–Madison, or simply Madison) is a public land-grant research university in Madison, Wisconsin, United States. It was founded in 1848 when Wisconsin achieved st ...

. For this liaison work he was knighted in 1942 (see

MAUD Committee The MAUD Committee was a British scientific working group formed during the Second World War. It was established to perform the research required to determine if an atomic bomb was feasible. The name MAUD came from a strange line in a telegram fr ...

). He returned to Britain later in the war and worked for the Ordnance Board and the Admiralty up until a few weeks before his death in 1944. Fifteen Fellows of the Royal Society and three Nobel Laureates (Chandrasekhar, Dirac, and Mott) were supervised by Fowler between 1922 and 1939. In addition to Milne, he worked with

Sir Arthur Eddington Sir Arthur Stanley Eddington, (28 December 1882 – 22 November 1944) was an English astronomer, physicist, and mathematician. He was also a philosopher of science and a populariser of science. The Eddington limit, the natural limit to the lu ...

Subrahmanyan Chandrasekhar Subrahmanyan Chandrasekhar (; 19 October 1910 – 21 August 1995) was an Indian Americans, Indian-American theoretical physicist who made significant contributions to the scientific knowledge about the structure of stars, stellar evolution and ...

Homi J. Bhabha Homi Jehangir Bhabha, FNI, FASc, FRS (30 October 1909 – 24 January 1966) was an Indian nuclear physicist who is widely credited as the "father of the Indian nuclear programme". He was the founding director and professor of physics at the ...

, and Sir William McCrea. It was Fowler who introduced Dirac to quantum theory in 1923. Fowler also put Dirac and

Werner Heisenberg Werner Karl Heisenberg (; ; 5 December 1901 – 1 February 1976) was a German theoretical physicist, one of the main pioneers of the theory of quantum mechanics and a principal scientist in the German nuclear program during World War II. He pub ...

in touch with each other through

Niels Bohr Niels Henrik David Bohr (, ; ; 7 October 1885 – 18 November 1962) was a Danish theoretical physicist who made foundational contributions to understanding atomic structure and old quantum theory, quantum theory, for which he received the No ...

. At Cambridge he supervised the doctoral studies of 64 students, including

John Lennard-Jones Sir John Edward Lennard-Jones (27 October 1894 – 1 November 1954) was a British mathematician and professor of theoretical physics at the University of Bristol, and then of theoretical science at the University of Cambridge. He was an im ...

and

Garrett Birkhoff Garrett Birkhoff (January 19, 1911 – November 22, 1996) was an American mathematician. He is best known for his work in lattice theory. The mathematician George Birkhoff (1884–1944) was his father. Life The son of the mathematician Ge ...

. The Fowler Islands, in

Crystal Sound Crystal Sound () is a sound in Antarctica between the southern part of the Biscoe Islands and the coast of Graham Land, with northern limit Cape Evensen to Cape Leblond and southern limit Holdfast Point, Roux Island, Liard Island and the Sill ...

, on the Antarctic Peninsula were named by the

UK Antarctic Place-Names Committee The UK Antarctic Place-Names Committee (or UK-APC) is a United Kingdom government committee, part of the Foreign and Commonwealth Office, responsible for recommending names of geographical locations within the British Antarctic Territory (BAT) an ...

in his honour.

Personal life

Fowler was a keen amateur

cricket Cricket is a Bat-and-ball games, bat-and-ball game played between two Sports team, teams of eleven players on a cricket field, field, at the centre of which is a cricket pitch, pitch with a wicket at each end, each comprising two Bail (cr ...

er who played as a

wicket-keeper In cricket, the wicket-keeper is the Cricket player, player on the fielding (cricket), fielding side who stands behind the wicket, ready to stop Delivery (cricket), deliveries that pass the batsman, and take a Caught, catch, Stumped, stump the ...

. He played for

Norfolk Norfolk ( ) is a Ceremonial counties of England, ceremonial county in England, located in East Anglia and officially part of the East of England region. It borders Lincolnshire and The Wash to the north-west, the North Sea to the north and eas ...

in the

Minor Counties Championship The NCCA 3 Day Championship or National County Championship is a season-long competition in England and Wales that is contested by the members of the National Counties Cricket Association (NCCA), the so-called national counties (previously ca ...

in 1908 and 1909. In 1921 he married Eileen Mary (1901–1930), the only daughter of

Ernest Rutherford Ernest Rutherford, 1st Baron Rutherford of Nelson (30 August 1871 – 19 October 1937) was a New Zealand physicist who was a pioneering researcher in both Atomic physics, atomic and nuclear physics. He has been described as "the father of nu ...

. They had four children, two daughters and two sons. Eileen died after the birth of their last child,

Ruth Fowler Edwards Ruth Fowler Edwards, Lady Edwards (December 1930 – October 2013) was a British geneticist and the long-time wife and collaborator of Robert G. (Bob) Edwards, the "father" of in vitro fertilization. Life Ruth was descended from a line of dist ...

, a geneticist and wife of Robert G. (Bob) Edwards, the "father" of

in vitro fertilization In vitro fertilisation (IVF) is a process of fertilisation in which an egg is combined with sperm in vitro ("in glass"). The process involves monitoring and stimulating the ovulatory process, then removing an ovum or ova (egg or eggs) from ...

and 2010

Nobel Prize in Physiology or Medicine The Nobel Prize in Physiology or Medicine () is awarded yearly by the Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or medicine. The Nobel Prize is not a single prize, but five separate prizes that, acco ...

laureate. One of his grandchildren is Mary Fowler, a geophysicist and the sixth Master (2012–2020) of

Darwin College, Cambridge Darwin College is a Colleges of the University of Cambridge, constituent college of the University of Cambridge. Founded on 28 July 1964, Darwin was Cambridge University's first graduate-only college, and also the first to admit both men and wo ...

Selected publications

* * * *with

E. A. Guggenheim Edward Armand Guggenheim FRS (11 August 1901 – 9 August 1970) was an English physical chemist, noted for his contributions to thermodynamics. Life Guggenheim was born in Manchester 11 August 1901, the son of Armand Guggenheim and Marguerite ...

References

External links

Biography of Ernest Rutherford, with names of Ralph & Eileen's children

Ralph Howard Fowler
Trinity College Chapel * {{DEFAULTSORT:Fowler, Ralph 1889 births 1944 deaths People from Roydon, Essex People educated at Winchester College Alumni of Trinity College, Cambridge British physicists Fellows of the Royal Society Military personnel from Essex Fellows of the American Physical Society Royal Marines officers Royal Marines personnel of World War I Royal Medal winners English cricketers Norfolk cricketers Officers of the Order of the British Empire Wicket-keepers John Humphrey Plummer Professors 20th-century English sportsmen