﻿<?xml version="1.0" encoding="utf-8"?>
<SummaryList>
  <Summary>
  <RecordType label="RecordType" urlencoded="Person" urlpathencoded="Person">Person</RecordType>
  <AUTHORITYCONTROL label="AUTHORITYCONTROL" urlencoded="" urlpathencoded=""></AUTHORITYCONTROL>
  <PersonName label="Authorised form of name" urlencoded="Spencer%3b+Leonard+James+(1870+-+1959)%3b+mineralogist+and+geologist" urlpathencoded="Spencer;%20Leonard%20James%20(1870%20-%201959);%20mineralogist%20and%20geologist">Spencer; Leonard James (1870 - 1959); mineralogist and geologist</PersonName>
  <Surname label="Surname" urlencoded="Spencer" urlpathencoded="Spencer">Spencer</Surname>
  <Forenames label="Forenames" urlencoded="Leonard+James" urlpathencoded="Leonard%20James">Leonard James</Forenames>
  <PreTitle label="PreTitle" urlencoded="" urlpathencoded=""></PreTitle>
  <Title label="Title" urlencoded="" urlpathencoded=""></Title>
  <Epithet label="Epithet" urlencoded="mineralogist+and+geologist" urlpathencoded="mineralogist%20and%20geologist"> mineralogist and geologist</Epithet>
  <ParallelEntry label="ParallelEntry" urlencoded="" urlpathencoded=""></ParallelEntry>
  <NonPreferredTerm label="Other forms of name" urlencoded="" urlpathencoded=""></NonPreferredTerm>
  <OtherFormsOfSurname label="Other forms of surname" urlencoded="" urlpathencoded=""></OtherFormsOfSurname>
  <Dates label="Dates" urlencoded="1870+-+1959" urlpathencoded="1870%20-%201959">1870 - 1959</Dates>
  <Nationality label="Nationality" urlencoded="British" urlpathencoded="British">British</Nationality>
  <Gender label="Gender" urlencoded="Male" urlpathencoded="Male">Male</Gender>
  <INFORMATIONAREA label="INFORMATIONAREA" urlencoded="" urlpathencoded=""></INFORMATIONAREA>
  <PlaceOfBirth label="Place of birth" urlencoded="Worcester%2c+England" urlpathencoded="Worcester,%20England">Worcester, England </PlaceOfBirth>
  <DateOfBirth label="Date of birth" urlencoded="07+July+1870" urlpathencoded="07%20July%201870">07 July 1870 </DateOfBirth>
  <Born label="Born" urlencoded="18700707" urlpathencoded="18700707">18700707</Born>
  <PlaceOfDeath label="Place of death" urlencoded="St+James%27s+Hospital%2c+Balham%2c+London%2c+England" urlpathencoded="St%20James's%20Hospital,%20Balham,%20London,%20England">St James's Hospital, Balham, London, England</PlaceOfDeath>
  <DateOfDeath label="Date of death" urlencoded="14+April+1959" urlpathencoded="14%20April%201959">14 April 1959</DateOfDeath>
  <Died label="Died" urlencoded="19590414" urlpathencoded="19590414">19590414</Died>
  <DatesAndPlaces label="DatesAndPlaces" urlencoded="Marriage%3a+Stratfield+Mortimer%2c+near+Reading%2c+England." urlpathencoded="Marriage:%20Stratfield%20Mortimer,%20near%20Reading,%20England.">Marriage: Stratfield Mortimer, near Reading, England.</DatesAndPlaces>
  <Address label="Address" urlencoded="" urlpathencoded=""></Address>
  <Occupation label="Occupation" urlencoded="Mineralogist+and+geologist" urlpathencoded="Mineralogist%20and%20geologist">Mineralogist and geologist</Occupation>
  <ResearchField label="Research field" urlencoded="Geology" urlpathencoded="Geology">Geology</ResearchField>
  <ResearchField label="Research field" urlencoded="Mineralogy" urlpathencoded="Mineralogy">Mineralogy</ResearchField>
  <Activity label="Activity" urlencoded="Education%3a+%0aKeighley+trade+and+grammar+school%3b+Bradford+Technical+College%3b+Royal+College+of+Science%2c+Dublin%3b+MA%2c+ScD+(Camb)+%0aCareer%3a+%0aTook+up+an+appointment+at+the+department+of+mineralogy+of+the+British+Museum+(Natural+Museum)+(1+January+1894)%3b+employed+abstracting+papers+for+the+Patent+Office+(1885)%3b+Editor+(since+1901)+of+the+%27Mineralog+Mag%27%3b+awarded+the+Wollaston+Fund+by+the+Geological+Society+of+London+(1902)%3b+special+constable+in+the+Metropolitan+Police+(1915-1918)%3b+interested+in+meteorites%2c+particularly+tektites%3b+Keeper+of+minerals%2c+Minerals+Department%2c+British+Museum+(1927-1935)%3b+examiner+for+the+natural+science+tripos+at+Cambridge+(1931-2)%3b+died+of+a+cerebral+thrombosis+and+arteriosclerosis.%0aMemberships%3a%0aARCS+(Dubl)%3b+FGS+(VP+1945%e2%80%936)%3b+Mineralogical+Society+of+Great+Britain+and+Ireland+(President+1936-1939)%0aAwards%2fMedals%3a%0aMurchison+medal+1937%0aRoebling+medal+1940" urlpathencoded="Education:%20%0aKeighley%20trade%20and%20grammar%20school;%20Bradford%20Technical%20College;%20Royal%20College%20of%20Science,%20Dublin;%20MA,%20ScD%20(Camb)%20%0aCareer:%20%0aTook%20up%20an%20appointment%20at%20the%20department%20of%20mineralogy%20of%20the%20British%20Museum%20(Natural%20Museum)%20(1%20January%201894);%20employed%20abstracting%20papers%20for%20the%20Patent%20Office%20(1885);%20Editor%20(since%201901)%20of%20the%20'Mineralog%20Mag';%20awarded%20the%20Wollaston%20Fund%20by%20the%20Geological%20Society%20of%20London%20(1902);%20special%20constable%20in%20the%20Metropolitan%20Police%20(1915-1918);%20interested%20in%20meteorites,%20particularly%20tektites;%20Keeper%20of%20minerals,%20Minerals%20Department,%20British%20Museum%20(1927-1935);%20examiner%20for%20the%20natural%20science%20tripos%20at%20Cambridge%20(1931-2);%20died%20of%20a%20cerebral%20thrombosis%20and%20arteriosclerosis.%0aMemberships:%0aARCS%20(Dubl);%20FGS%20(VP%201945%e2%80%936);%20Mineralogical%20Society%20of%20Great%20Britain%20and%20Ireland%20(President%201936-1939)%0aAwards/Medals:%0aMurchison%20medal%201937%0aRoebling%20medal%201940">Education: 
Keighley trade and grammar school; Bradford Technical College; Royal College of Science, Dublin; MA, ScD (Camb) 
Career: 
Took up an appointment at the department of mineralogy of the British Museum (Natural Museum) (1 January 1894); employed abstracting papers for the Patent Office (1885); Editor (since 1901) of the 'Mineralog Mag'; awarded the Wollaston Fund by the Geological Society of London (1902); special constable in the Metropolitan Police (1915-1918); interested in meteorites, particularly tektites; Keeper of minerals, Minerals Department, British Museum (1927-1935); examiner for the natural science tripos at Cambridge (1931-2); died of a cerebral thrombosis and arteriosclerosis.
Memberships:
ARCS (Dubl); FGS (VP 1945–6); Mineralogical Society of Great Britain and Ireland (President 1936-1939)
Awards/Medals:
Murchison medal 1937
Roebling medal 1940</Activity>
  <Relationships label="Relationships" urlencoded="Parents%3a+James+Spencer%2c+schoolmaster%2c+and+Elizabeth+Bonser.%0aSpouse%3a+Edith+Mary+Close+(1872%e2%80%931954)+daughter+of+Islip+J.+Close%2c+farmer%2c+of+Mortimer+in+Berkshire%2c+(5+April+1899).%0aChildren%3a+One+son+and+two+daughters." urlpathencoded="Parents:%20James%20Spencer,%20schoolmaster,%20and%20Elizabeth%20Bonser.%0aSpouse:%20Edith%20Mary%20Close%20(1872%e2%80%931954)%20daughter%20of%20Islip%20J.%20Close,%20farmer,%20of%20Mortimer%20in%20Berkshire,%20(5%20April%201899).%0aChildren:%20One%20son%20and%20two%20daughters.">Parents: James Spencer, schoolmaster, and Elizabeth Bonser.
Spouse: Edith Mary Close (1872–1954) daughter of Islip J. Close, farmer, of Mortimer in Berkshire, (5 April 1899).
Children: One son and two daughters.</Relationships>
  <OtherInfo label="OtherInfo" urlencoded="Named+new+minerals%3a+miersite%2c+tarbuttite%2c+parahopeite%2c+chloroxiphite%2c+diaboleite%2c+schulterite%2c+aramayoite%2c+and+bismutotantalite.+Provided+new+information+on+incompletely+described+minerals+such+as+plagionite%2c+heteromorphite%2c+and+semseyite." urlpathencoded="Named%20new%20minerals:%20miersite,%20tarbuttite,%20parahopeite,%20chloroxiphite,%20diaboleite,%20schulterite,%20aramayoite,%20and%20bismutotantalite.%20Provided%20new%20information%20on%20incompletely%20described%20minerals%20such%20as%20plagionite,%20heteromorphite,%20and%20semseyite.">Named new minerals: miersite, tarbuttite, parahopeite, chloroxiphite, diaboleite, schulterite, aramayoite, and bismutotantalite. Provided new information on incompletely described minerals such as plagionite, heteromorphite, and semseyite.</OtherInfo>
  <ROYAL_SOCIETY_ACTIVITY label="ROYAL_SOCIETY_ACTIVITY" urlencoded="" urlpathencoded=""></ROYAL_SOCIETY_ACTIVITY>
  <RSActivity label="RSActivity" urlencoded="" urlpathencoded=""></RSActivity>
  <MembershipCategory label="Membership category" urlencoded="Fellow" urlpathencoded="Fellow">Fellow</MembershipCategory>
  <DateOfElection label="Date of election" urlencoded="07%2f05%2f1925" urlpathencoded="07/05/1925">07/05/1925</DateOfElection>
  <AgeAtElection label="Age at election" urlencoded="55" urlpathencoded="55">55</AgeAtElection>
  <Proposer label="Proposer" urlencoded="George+Thurland+Prior%3b+Lazarus+Fletcher%3b+William+James+Lewis%3b+John+Edward+Marr%3b+Thomas+George+Bonney%3b+Henry+Alexander+Miers%3b+Charles+William+Andrews%3b+John+William+Evans%3b+Arthur+Smith+Woodward%3b+John+Walter+Gregory%3b+John+Edward+Stead%3bWilliam+Fletcher+Barrett" urlpathencoded="George%20Thurland%20Prior;%20Lazarus%20Fletcher;%20William%20James%20Lewis;%20John%20Edward%20Marr;%20Thomas%20George%20Bonney;%20Henry%20Alexander%20Miers;%20Charles%20William%20Andrews;%20John%20William%20Evans;%20Arthur%20Smith%20Woodward;%20John%20Walter%20Gregory;%20John%20Edward%20Stead;William%20Fletcher%20Barrett">George Thurland Prior; Lazarus Fletcher; William James Lewis; John Edward Marr; Thomas George Bonney; Henry Alexander Miers; Charles William Andrews; John William Evans; Arthur Smith Woodward; John Walter Gregory; John Edward Stead;William Fletcher Barrett</Proposer>
  <DateOfEjectionOrWithdrawal label="Date of ejection or withdrawal" urlencoded="" urlpathencoded=""></DateOfEjectionOrWithdrawal>
  <RSRoles label="RSRoles" urlencoded="" urlpathencoded=""></RSRoles>
  <CommitteesAndPanels label="CommitteesAndPanels" urlencoded="" urlpathencoded=""></CommitteesAndPanels>
  <MedalsAndPrizes label="MedalsAndPrizes" urlencoded="" urlpathencoded=""></MedalsAndPrizes>
  <Lectures label="Lectures" urlencoded="" urlpathencoded=""></Lectures>
  <GrantsAndFellowships label="GrantsAndFellowships" urlencoded="" urlpathencoded=""></GrantsAndFellowships>
  <Clubs label="Clubs" urlencoded="" urlpathencoded=""></Clubs>
  <OtherRSActivity label="Other Royal Society activity" urlencoded="" urlpathencoded=""></OtherRSActivity>
  <Council label="Council" urlencoded="" urlpathencoded=""></Council>
  <RELATED_RESOURCES label="RELATED_RESOURCES" urlencoded="" urlpathencoded=""></RELATED_RESOURCES>
  <Source label="Source" urlencoded="Sources%3a+%0aBulloch%27s+Roll%3b+DSB%0aObituaries%3a+%0aBiographical+Memoirs+of+Fellows+of+the+Royal+Society+1961+vol+7+pp+243-248%2c+plate%2c+by+C+E+Tilley" urlpathencoded="Sources:%20%0aBulloch's%20Roll;%20DSB%0aObituaries:%20%0aBiographical%20Memoirs%20of%20Fellows%20of%20the%20Royal%20Society%201961%20vol%207%20pp%20243-248,%20plate,%20by%20C%20E%20Tilley">Sources: 
Bulloch's Roll; DSB
Obituaries: 
Biographical Memoirs of Fellows of the Royal Society 1961 vol 7 pp 243-248, plate, by C E Tilley</Source>
  <Image label="Image" urlencoded="Spencer+L+J%2c+GA+WS+3984.jpg" urlpathencoded="Spencer%20L%20J,%20GA%20WS%203984.jpg">Spencer L J, GA WS 3984.jpg</Image>
  <Set label="Set" urlencoded="" urlpathencoded=""></Set>
  <ImageCredit label="ImageCredit" urlencoded="%c2%a9Godfrey+Argent+Studio" urlpathencoded="%c2%a9Godfrey%20Argent%20Studio">©Godfrey Argent Studio</ImageCredit>
  <Conventions label="Conventions" urlencoded="International+Standard+Archival+Authority+Record+for+Corporate+Bodies%2c+Persons+and+Families+-+ISAAR(CPF)+-+Ottawa+1996+ISBN+0-9696035-3-3%0a%0aNational+Council+on+Archives%2c+Rules+for+the+Construction+of+Personal%2c+Place+and+Corporate+Names%2c+1997" urlpathencoded="International%20Standard%20Archival%20Authority%20Record%20for%20Corporate%20Bodies,%20Persons%20and%20Families%20-%20ISAAR(CPF)%20-%20Ottawa%201996%20ISBN%200-9696035-3-3%0a%0aNational%20Council%20on%20Archives,%20Rules%20for%20the%20Construction%20of%20Personal,%20Place%20and%20Corporate%20Names,%201997">International Standard Archival Authority Record for Corporate Bodies, Persons and Families - ISAAR(CPF) - Ottawa 1996 ISBN 0-9696035-3-3

National Council on Archives, Rules for the Construction of Personal, Place and Corporate Names, 1997</Conventions>
  <RSObituaryMemoir label="Royal Society Obituary or Memoir" urlencoded="https%3a%2f%2froyalsocietypublishing.org%2fdoi%2f10.1098%2frsbm.1961.0019" urlpathencoded="https://royalsocietypublishing.org/doi/10.1098/rsbm.1961.0019">https://royalsocietypublishing.org/doi/10.1098/rsbm.1961.0019</RSObituaryMemoir>
  <RSPublications label="RSPublications" urlencoded="https%3a%2f%2froyalsocietypublishing.org%2faction%2fdoSearch%3fContribAuthorRaw%3dSpencer%252C%2bLeonard%2bJames" urlpathencoded="https://royalsocietypublishing.org/action/doSearch?ContribAuthorRaw=Spencer%2C+Leonard+James">https://royalsocietypublishing.org/action/doSearch?ContribAuthorRaw=Spencer%2C+Leonard+James</RSPublications>
  <PublishedWorks label="PublishedWorks" urlencoded="RCN+16006%0aRCN+9017%0aRCN+16007" urlpathencoded="RCN%2016006%0aRCN%209017%0aRCN%2016007">RCN 16006
RCN 9017
RCN 16007</PublishedWorks>
  <RelatedImages label="Related images" urlencoded="https%3a%2f%2fpictures.royalsociety.org%2fresults%3fmi_search_type%3dadv%26mi_adv_search%3dyes%26adv_person_id%3dAUTH7977" urlpathencoded="https://pictures.royalsociety.org/results?mi_search_type=adv&amp;mi_adv_search=yes&amp;adv_person_id=AUTH7977">https://pictures.royalsociety.org/results?mi_search_type=adv&amp;mi_adv_search=yes&amp;adv_person_id=AUTH7977</RelatedImages>
  <PictureLibraryURL label="PictureLibraryURL" urlencoded="" urlpathencoded=""></PictureLibraryURL>
  <DatesOld label="DatesOld" urlencoded="7+Jul+1870+-+14+Apr+1959" urlpathencoded="7%20Jul%201870%20-%2014%20Apr%201959">7 Jul 1870 - 14 Apr 1959</DatesOld>
  <CONTROLAREA label="CONTROLAREA" urlencoded="" urlpathencoded=""></CONTROLAREA>
  <MaintenanceNotes label="MaintenanceNotes" urlencoded="The+past+Fellows+entries+are+under+continuous+revision.+If+you+have+queries+or+additional+information+to+contribute%2c+please+contact+Library%40royalsociety.org.++%0a%0aContent+in+external+sources+is+not+controlled+by+the+Royal+Society+and+historical+sources+may+include+content+that+is+now+unacceptable.++%0a%0aReviewed+on+24%2f07%2f2024+as+part+of+the+Name+Authority+Project+update" urlpathencoded="The%20past%20Fellows%20entries%20are%20under%20continuous%20revision.%20If%20you%20have%20queries%20or%20additional%20information%20to%20contribute,%20please%20contact%20Library@royalsociety.org.%20%20%0a%0aContent%20in%20external%20sources%20is%20not%20controlled%20by%20the%20Royal%20Society%20and%20historical%20sources%20may%20include%20content%20that%20is%20now%20unacceptable.%20%20%0a%0aReviewed%20on%2024/07/2024%20as%20part%20of%20the%20Name%20Authority%20Project%20update">The past Fellows entries are under continuous revision. If you have queries or additional information to contribute, please contact Library@royalsociety.org.  

Content in external sources is not controlled by the Royal Society and historical sources may include content that is now unacceptable.  

Reviewed on 24/07/2024 as part of the Name Authority Project update</MaintenanceNotes>
  <Code label="Code" urlencoded="NA5254" urlpathencoded="NA5254">NA5254</Code>
  <Created label="Created" urlencoded="21%2f11%2f2001" urlpathencoded="21/11/2001">21/11/2001</Created>
  <Creator label="Creator" urlencoded="Andyg%0aMartind" urlpathencoded="Andyg%0aMartind">Andyg
Martind</Creator>
  <Modified label="Modified" urlencoded="17%2f03%2f2026" urlpathencoded="17/03/2026">17/03/2026</Modified>
  <Modifier label="Modifier" urlencoded="RS_NET%5cVirginiaM" urlpathencoded="RS_NET\VirginiaM">RS_NET\VirginiaM</Modifier>
  <PublicView label="PublicView" urlencoded="Yes" urlpathencoded="Yes">Yes</PublicView>
  <InstIdentifer label="Virtual International Authority File" urlencoded="" urlpathencoded=""></InstIdentifer>
  <RecordID label="RecordID" urlencoded="eb8dc60e-139a-4f81-a324-29c11dc74dac" urlpathencoded="eb8dc60e-139a-4f81-a324-29c11dc74dac">eb8dc60e-139a-4f81-a324-29c11dc74dac</RecordID>
</Summary>
</SummaryList>