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Hugh Marshall FRS <=> which became standard in chemistry to represent
Hugh Marshall FRS FRSE
Fellowship of the Royal Society of Edinburgh (FRSE) is an award granted to individuals that the Royal Society of Edinburgh, Scotland's national academy of science and letters, judged to be "eminently distinguished in their subject". This soci ...
FCS (7 January 1868 – 5 September 1913) was a Scottish chemist who discovered persulphates in 1891. He was the inventor of Marshall's acid. In 1902 he proposed the modified sign of equality dynamic equilibrium
In chemistry, a dynamic equilibrium exists once a reversible reaction occurs. Substances transition between the reactants and products at equal rates, meaning there is no net change. Reactants and products are formed at such a rate that the conc ...
.
Life
He was born inEdinburgh
Edinburgh ( ; gd, Dùn Èideann ) is the capital city of Scotland and one of its 32 Council areas of Scotland, council areas. Historically part of the county of Midlothian (interchangeably Edinburghshire before 1921), it is located in Lothian ...
on 7 January 1868 the son of Ralph Marshall and his wife Catherine Monfries.
He was educated at Moray House Normal School. He studied science at the University of Edinburgh
The University of Edinburgh ( sco, University o Edinburgh, gd, Oilthigh Dhùn Èideann; abbreviated as ''Edin.'' in post-nominals) is a public research university based in Edinburgh, Scotland. Granted a royal charter by King James VI in 15 ...
and graduated with a BSc in 1886 and gained a doctorate (DSc) in 1888.
In 1894 he began lecturing in mineralogy and crystallography at the University of Edinburgh, changing to chemistry in 1902 and moving to Dundee University College (which was later to become the University of Dundee
The University of Dundee; . Abbreviated as ''Dund.'' for post-nominals. is a public university, public research university based in Dundee, Scotland. It was founded as a University college#United Kingdom, university college in 1881 with a donation ...
but was then a constituent college
A collegiate university is a university in which functions are divided between a central administration and a number of constituent colleges. Historically, the first collegiate university was the University of Paris and its first college was the C ...
of the University of St Andrews
(Aien aristeuein)
, motto_lang = grc
, mottoeng = Ever to ExcelorEver to be the Best
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) as Professor of Chemistry in 1908.
In 1888 he was elected a Fellow of the Royal Society of Edinburgh
The Royal Society of Edinburgh is Scotland's national academy of science and letters. It is a registered charity that operates on a wholly independent and non-partisan basis and provides public benefit throughout Scotland. It was established i ...
. His proposers were Alexander Crum Brown
Alexander Crum Brown FRSE FRS (26 March 1838 – 28 October 1922) was a Scottish organic chemist. Alexander Crum Brown Road in Edinburgh's King's Buildings complex is named after him.
Early life and education
Crum Brown was born at 4 Bellev ...
, Leonard Dobbin
Leonard Dobbin (29 September 1762 – 19 February 1844) was an Irish Liberal politician who sat in the House of Commons from 1832 to 1837.
He was the eldest son of Leonard Dobbin senior, of Mount Dobbin, Tirnascobe, County Armagh and Mary Oate ...
, John M. MacFarlane, and John Chemist. He won the Society's Keith Prize for the period 1899-1901. He was elected a Fellow of the Royal Society of London
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 ...
in 1904.
He died in London
London is the capital and largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary down to the North Sea, and has been a majo ...
on 5 September 1913 aged 45. He is buried in Grange Cemetery
The Grange (originally St Giles' Grange) is an affluent suburb of Edinburgh, just south of the city centre, with Morningside and Greenhill to the west, Newington to the east, The Meadows park and Marchmont to the north, and Blackford Hil ...
in south Edinburgh with his parents. The grave lies in the linear eastern section.
Publications
*''Salts and Their Reactions'' (co-written with Leonard Dobbin) * *References
{{DEFAULTSORT:Marshall, Hugh 1868 births 1913 deaths Scottish chemists Alumni of the University of Edinburgh Academics of the University of Edinburgh Academics of the University of St Andrews Fellows of the Royal Society of Edinburgh Fellows of the Royal Society Fellows of the Chemical Society