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| Founded | September 1839, Royal Charter in 1866[1] |
|---|---|
| Type | Professional organisation andregistered charity |
| Registration no. | 241990 |
| Purpose | to promote the advancement of microscopical science by such means as the discussion and publication of research into improvements in the construction and mode of application of microscopes and into those branches of science where microscopy is important. |
| Location | |
| Coordinates | 51°45′01″N1°14′32″W / 51.750374°N 1.2422313°W /51.750374; -1.2422313 |
| Origins | Microscopical Society of London |
Area served | UK, worldwide |
| Members | 1379[4] |
Key people | PresidentPeter J O'Toole Vice President Grace Burke Vice President Rik Brydson Patrons:[3] *Baroness Finlay of Llandaff *Baroness Brown of Cambridge |
| Revenue | £1,639,504 (year ending Dec 2015[2] |
| Employees | 17[2] |
| Volunteers | 100[2] |
| Website | www |
TheRoyal Microscopical Society (RMS) is alearned society for the promotion ofmicroscopy. It was founded in 1839 as theMicroscopical Society of London making it the oldest organisation of its kind in the world. In 1866, the Society gained itsroyal charter and took its current name. Founded as a society of amateurs, its membership consists of individuals of all skill levels in numerous related fields from throughout the world.[5] Every year since 1841, the Society has published its ownscientific journal, theJournal of Microscopy, which containspeer-reviewed papers and book reviews. The Society is a registered charity that is dedicated to advancing science, developing careers and supporting wider understanding of science and microscopy through its Outreach activities.
Probably the Society's greatest contribution is its standardised 3x1 inches microscope glass slides in 1840, which are still the most widely used size today and known as the "RMS standard".[6]
The Royal Microscopical Society is a member of theFoundation for Science and Technology, theEuropean Microscopy Society and theInternational Federation of Societies for Microscopy.

On 3 September 1839, a meeting of 17 gentlemen including physicistJoseph Jackson Lister, photography pioneerJoseph Bancroft Reade, the botanistsEdwin John Quekett andRichard Kippist,[8][9] and artist and inventorCornelius Varley,[10][11][verification needed] was held at Quekett's residence at 50Wellclose Square[12] "to take into consideration the propriety of forming a society for the promotion of microscopical investigation, and for the introduction and improvement of the microscope as a scientific instrument",[1][13][14][15][16] following a decade of great advances in the field of microscopy.[12] At this gathering it was agreed that a society should be founded and a committee appointed. It was named theMicroscopical Society of London and a constitution was drawn up.[9] On 20 December 1839, a public meeting was held at the Horticultural Society's rooms at 21Regent Street in London. At the convention, ProfessorRichard Owen was elected president, along withNathaniel Ward as Treasurer, and Farre as Secretary.[9] A Council was also appointed, consisting of J.S. Bowerbank,Thomas Edwards, Dr F. Farre,George Gwilt,George Jackson, DrJohn Lindley,George Loddiges, the Rev. C. Pritchard,Edwin John Quekett, M.J. Rippingham,Richard Horsman Solly andRobert Warington. With them, forty-five men were enrolled as members.[9]
At its foundation, the Society acquired the bestmicroscopes then obtainable from the three leading makers, Powell & Lealand, Ross, and Smith.[17] The first president of the Society was palaeontologist SirRichard Owen, who is best known for coining the word "dinosaur" and for his role in the creation of London'sNatural History Museum.[18] It was renamed theRoyal Microscopical Society in 1866, when the Society received itsRoyal Charter under the Presidency ofJames Glaisher.[12] Its governing documents are its Charter and By-laws.
In 1870, the President, Rev.Joseph Bancroft Reade, in his maiden speech revealed that he had suggested adding the suffix "-al" to the name of the fledgling society to prevent "the possibility of ourselves being mistaken for microscopic objects".[12]
John Thomas Quekett (brother of co-founderEdwin John Quekett) served as the Society's secretary from 1841 to 1860.[16] Distinguished botanistDukinfield Henry Scott served as president of the Society between 1904 and 1906[19]
In 1885, botanist and women's rights campaignerMarian Farquharson, became the first female Fellow of the Society. Although not permitted to attend meetings, her greatest contribution to the scientific community was of her campaign in gaining women rights to full fellowship oflearned societies. In 1900 she sent a letter addressed to theRoyal Society and theLinnean Society petitioning that "duly qualified women should be eligible for ordinary Fellowship and, if elected, there should be no restriction forbidding their attendance at meetings". Both societies refused her requests to join, eventually theLinnean Society elected her as a fellow in 1908.[20]
In September 1989,Royal Mail released a set of four stamps to mark the celebration of the Society's 150th anniversary entitled "Microscopes", one of which being the snowflake, its own logo.[21][22]
In 2017, the Society appointed two patrons,Baroness Brown of Cambridge andBaroness Finlay of Llandaff, both of whom are members of theHouse of Lords.[3]
RMS members come from a wide range of backgrounds within the biological and physical sciences, covering all areas of microscopy and cytometry.
After three years of continuous Ordinary Membership, members are invited to become a Fellow of the Society after a set number of criteria have been met, which allows for individuals to benefit from voting and election rights as well as the use of the post-nominal lettersFRMS after their names.[23]
The Society's by-laws previously limited the number of Honorary Fellowships to a maximum of 65 at any one time. However, a proposal to enable new Fellowships to be awarded beyond this figure was approved at the 2019 AGM, and subsequently by the Privy Council.[24][25]
The Society has 23 Trustees[26] including: ProfessorMaddy Parsons, a Professor of Cell Biology in the Randall Centre for Cell & Molecular Biophysics atKing's College London, Professor Michelle Peckham, President of the Society from 2016-2019 andPeter J. O'Toole, current President of the Society (from 2023).
The current President isPeter J. O'Toole.
The Society had a number of eminent scientists as President since its founding in 1839. Notable former Presidents include:.[27]

TheJournal of Microscopy provides a forum for publication, discussion, and education for scientists and technologists who use any form of microscopy or image analysis.[28] This includes technology and applications in physics, chemistry, material and biological sciences. The journal publishes review articles, original research papers, short communications, and letters to the editor, covering all aspects of microscopy.[29] It is published on behalf of the Society byWiley-Blackwell.[30]
infocus Magazine is the Society's magazine for members. It provides a common forum for scientists and technologists from all disciplines which use any form of microscope, including all branches of microscopy and microbeam analysis.infocus features articles on microscopy related topics, techniques and developments, reports on RMS events, book reviews, news and much more. Published four times a year,infocus is free to members.
The Society is heavily involved with outreach activities, particularly those aimed at children, where the aim is to interest them in science as a whole as opposed to simply lab work.[31] In late 2015, the Society was one of many "subject experts" consulted by awarding organisations as a part of a consultation by theDepartment for Education regarding reforms to the course content of the subject ofGeology atGCE Advanced Level (A-level) in the national curriculum. Other advising parties included theBritish Geological Survey, theNatural History Museum and theRoyal School of Mines.[32]
One such method is through the use of the Microscope Activity Kit Scheme starting in March 2011, a free scheme sending fully equipped Kits of microscopes and ready-to-go activities to Primary Schools throughout the United Kingdom and Ireland for a term at a time. By December 2014, the Kits had gone from 2 to 50 and had been used by over 20,000 children in the UK.[33]
The RMS Diploma, launched in 2012 to replace the former RMS DipTech qualification, aims to help microscopists advance in their careers by improving and refining their skills to gain a distinguished qualification. The Diploma from the Royal Microscopical Society is attained via a flexible portfolio-based course of study that is designed by the candidate with the assistance of their line-manager, and with input from existing Fellows of the Society. This approach ensures that the study is both challenging and rewarding whilst fitting with, and complementing, the candidate's existing employment.[1]
Each year the RMS hosts a programme of meetings, courses and conferences, including virtual (online) meetings. The Society's flagship event is the Microscience Microscopy Congress (mmc) Series, which usually takes place every two years. These events provide opportunities for keeping abreast of the latest developments and attract speakers and delegates active in all areas of science from forensics to flow cytometry, live cell imaging to SPM.[citation needed]
Since 2017 the RMS website has hosted a database of women working in microscopy to aid conference and meeting organisers in creating more diverse speaker line-ups for events. Scientists can either add themselves to the database or be nominated for inclusion.[34]
But was there a specific tipping point for this change? In 1900, Mrs. Marian Farquharson, a botanist who had helped to publish a field guide to British ferns, requested that "duly qualified women should be eligible for ordinary Fellowship and, if elected, there should be no restriction forbidding their attendance at meetings". This insistence on attendance at meetings was important; other societies allowed women to be members, but they were barred from attending meetings (Farquharson had been elected as the first female Fellow of the Royal Microscopical Society in 1885 but was not allowed to attend). At first she was rebuffed by the Council of the Linnean Society, but eventually won the day, through sheer persistence (the Society holds a plethora of correspondence from Farquharson) and the vocal support of some members of Council. Ironically, she was the only one of the 16 proposed Fellows who was not admitted on that day in November 1904!