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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">John Michell</span></h1>
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<p><b>John Michell</b> (* <a href="25._Dezember" title="25. Dezember">25. Dezember</a> <a href="1724" title="1724">1724</a> in Eakring, <a href="Nottinghamshire" title="Nottinghamshire">Nottinghamshire</a>; † <a href="21._April" title="21. April">21. April</a> <a href="1793" title="1793">1793</a> in Thornhill, <a href="Yorkshire" title="Yorkshire">Yorkshire</a>) war ein englischer <a href="Naturphilosoph" class="mw-redirect" title="Naturphilosoph">Naturphilosoph</a>.
</p>

<div class="mw-heading mw-heading2"><h2 id="Leben_und_Wirken">Leben und Wirken</h2></div>
<p>Michell wurde am 17. Juni 1742 am <a href="Queens%E2%80%99_College_(Cambridge)" title="Queens’ College (Cambridge)">Queens’ College</a> der <a href="Universit%C3%A4t_Cambridge" class="mw-redirect" title="Universität Cambridge">Universität Cambridge</a> zugelassen. 1748 erwarb er den Grad eines Bachelor of Arts (B.A.). Am 20. März 1749 wurde er zum „Fellow“ des Colleges gewählt. 1752 erwarb Michell den Master of Arts (M.A.) und 1761 den Bachelor of Divinity (B.D.). Zwischen 1751 und 1760 bekleidete er verschiedene Ämter am College, darunter das des Lehrers für Hebräisch, Arithmetik, Geometrie und Griechisch. Von 1762 bis 1764 war Michell <a href="Woodwardian_Professor_of_Geology" class="mw-redirect" title="Woodwardian Professor of Geology">Woodwardian Professor of Geology</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Am 8. April 1764 legte er sein Stipendium am Queens’ College nieder.
</p><p>Am 23. August 1764 heiratete er in Rolleston die Witwe Sarah Williamson (1727–1765), die kurz nach der Geburt ihrer Tochter Mary (1765–1837) verstarb. Am 13. Februar 1773 heiratete er Ann Brecknock (1736?–1818) in Newark. Die zweite Ehe blieb kinderlos.
</p>

<p>1760 führte Michell <a href="Erdbeben" title="Erdbeben">Erdbeben</a> auf Wellenbewegungen in der Erde zurück, wobei er sich insbesondere auf das <a href="Erdbeben_von_Lissabon_1755" title="Erdbeben von Lissabon 1755">Erdbeben von Lissabon 1755</a> berief. Er vermutete einen Zusammenhang zwischen Erdbeben und <a href="Vulkanismus" title="Vulkanismus">Vulkanismus</a>. Michell gilt dadurch als Mitbegründer der <a href="Seismologie" title="Seismologie">Seismologie</a>.
</p><p>1765 wurde er zum Mitglied eins sechsköpfigen Komitees des <a href="Board_of_Longitude" title="Board of Longitude">Board of Longitude</a> ernannt, das die <a href="Chronometer" title="Chronometer">Chronometer</a> von <a href="John_Harrison_(Uhrmacher)" title="John Harrison (Uhrmacher)">John Harrison</a> untersuchen sollte.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
</p><p>In einem auf den 26. Mai 1783 datierten Brief an <a href="Henry_Cavendish" title="Henry Cavendish">Henry Cavendish</a>, der 1884 in den <i><a href="Philosophical_Transactions_of_the_Royal_Society" title="Philosophical Transactions of the Royal Society">Philosophical Transactions</a></i> veröffentlicht wurde, wurde erstmals die Erklärung mit zwei unterschiedlichen Sternen für den <a href="Bedeckungsver%C3%A4nderliche" class="mw-redirect" title="Bedeckungsveränderliche">bedeckungsveränderlichen</a> <a href="Algol_(Stern)" title="Algol (Stern)">Algol</a> beschrieben. Aufgrund der damals vorherrschenden <a href="Korpuskeltheorie" title="Korpuskeltheorie">Korpuskeltheorie</a> des Lichts vermutete er den entsprechenden Einfluss der Gravitation auf das Licht und auch die Existenz von „Dunklen Sternen“, ähnlich den <a href="Schwarzes_Loch" title="Schwarzes Loch">Schwarzen Löchern</a>.
</p><p>Michell konstruierte um 1780 ein Spiegelteleskop mit einem Metallspiegel von 75 Zentimeter Durchmesser und einer Brennweite von 3 Metern. Zeitgenössische Berichte sahen es als Erfolg: „performs extremly well on day-objects“,<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> rückblickend schätze es Henry C. King (1915–2005) 1955 jedoch daran, auch unter Berücksichtigung des schwer zu meisternden hohen <a href="%C3%96ffnungsverh%C3%A4ltnis" class="mw-redirect" title="Öffnungsverhältnis">Öffnungsverhältnis</a>, als wertlos für die Astronomie ein.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Das Spiegelteleskop mit zerbrochenem Spiegel wurde nach Michells Tod von <a href="William_Herschel" class="mw-redirect" title="William Herschel">William Herschel</a> für wenig mehr als dem Materialpreis gekauft.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup>
</p><p>Michell konstruierte eine <a href="Drehwaage" title="Drehwaage">Torsionswaage</a> zur Messung der <a href="Gravitationskraft" class="mw-redirect" title="Gravitationskraft">Gravitationskraft</a>, führte jedoch die entsprechenden Untersuchungen nicht durch. Sein Gerät wurde jedoch nach seinem Tode von Cavendish 1797 erfolgreich zur Bestimmung der <a href="Gravitationskonstante" title="Gravitationskonstante">Gravitationskonstante</a> verwendet. Cavendish weist in seinem Bericht an die Royal Society ausdrücklich auf die Verdienste Michells hin.
</p>
<div class="mw-heading mw-heading2"><h2 id="Ehrungen">Ehrungen</h2></div>
<p>Am 12. Juni 1760 wurde Michell als Mitglied („Fellow“) in die <a href="Royal_Society" title="Royal Society">Royal Society</a> gewählt.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading2"><h2 id="Schriften_(Auswahl)"><span id="Schriften_.28Auswahl.29"></span>Schriften (Auswahl)</h2></div>
<p><b>Bücher</b>
</p>
<ul><li><i>A treatise of artificial magnets […].</i> Cambridge 1750 (<a rel="nofollow" class="external text" href="https://wellcomecollection.org/works/z45smb9v/items">Digitalisat</a>).
<ul><li>2., korrigierte und verbesserte Auflage, Cambridge 1751 (<a rel="nofollow" class="external text" href="https://books.google.de/books?id=AFnCmcSY-bQC&amp;pg=PP5">Digitalisat</a>).</li>
<li><i>Traites sur les aimans artificiels.</i> Paris 1752 (<a rel="nofollow" class="external text" href="https://babel.hathitrust.org/cgi/pt?id=mdp.39015064486643&amp;seq=5">Digitalisat</a>).</li></ul></li></ul>
<p><b>Zeitschriftenbeiträge</b>
</p>
<ul><li><i>Observations on the same comet […] in a letter to Mr. James Short, F.R.S.</i> In: <i><a href="Philosophical_Transactions_of_the_Royal_Society" title="Philosophical Transactions of the Royal Society">Philosophical Transactions</a>.</i> Band 51, 1759, S. 466–467 (<a href="https://doi.org/10.1098/rstl.1759.0044" class="extiw external" title="doi:10.1098/rstl.1759.0044">doi:10.1098/rstl.1759.0044</a>, <a href="JSTOR" title="JSTOR">JSTOR</a>:<a rel="nofollow" class="external text" href="http://www.jstor.org/stable/105388">105388</a>).</li>
<li><i>Conjectures concerning the cause, and observations upon the phaenomena of earthquakes; particularly of that great earthquake of the first November, 1755, which proved so fatal to the city of Lisbon, and whose effects were felt as far as Africa and more or less throughout almost all Europe.</i> In: <i><a href="Philosophical_Transactions_of_the_Royal_Society" title="Philosophical Transactions of the Royal Society">Philosophical Transactions</a>.</i> Band 51, 1759, S. 566–634 (<a href="https://doi.org/10.1098/rstl.1759.0057" class="extiw external" title="doi:10.1098/rstl.1759.0057">doi:10.1098/rstl.1759.0057</a>, <a href="JSTOR" title="JSTOR">JSTOR</a>:<a rel="nofollow" class="external text" href="http://www.jstor.org/stable/105401">105401</a>).
<ul><li>London 1860 (<a rel="nofollow" class="external text" href="https://archive.org/details/bim_eighteenth-century_conjectures-concerning-t_michell-john-f-r-s_1760">Digitalisat</a>).</li></ul></li>
<li><i>A recommendation of Hadley’s quadrant for surveying, especially the surveying of harbours, together with a particular application of it in some cases of pilotage.</i> In: <i>Philosophical Transactions.</i> Band 55, 1765, S. 70–78 (<a href="https://doi.org/10.1098/rstl.1765.0010" class="extiw external" title="doi:10.1098/rstl.1765.0010">doi:10.1098/rstl.1765.0010</a>, <a href="JSTOR" title="JSTOR">JSTOR</a>:<a rel="nofollow" class="external text" href="http://www.jstor.org/stable/105445">105445</a>).</li>
<li><i>Proposal of a method for measuring degrees of longitude upon parallels of the Æquator.</i> In: <i>Philosophical Transactions.</i> Band 56, 1766, S. 119–125 (<a href="https://doi.org/10.1098/rstl.1766.0016" class="extiw external" title="doi:10.1098/rstl.1766.0016">doi:10.1098/rstl.1766.0016</a>, <a href="JSTOR" title="JSTOR">JSTOR</a>:<a rel="nofollow" class="external text" href="http://www.jstor.org/stable/105488">105488</a>).</li>
<li><i>An inquiry into the probable parallax, and magnitude of the fixed stars, from the quantity of light which they afford us, and the particular circumstances of their situation.</i> In: <i>Philosophical Transactions.</i> Band 57, 1767, S. 234–264 (<a href="https://doi.org/10.1098/rstl.1767.0028" class="extiw external" title="doi:10.1098/rstl.1767.0028">doi:10.1098/rstl.1767.0028</a>, <a href="JSTOR" title="JSTOR">JSTOR</a>:<a rel="nofollow" class="external text" href="http://www.jstor.org/stable/105952">105952</a>).</li>
<li><i>On the means of discovering the distance, magnitude, &amp;c. of the fixed stars, in consequence of the diminution of the velocity of their light, in case such a diminution should be found to take place in any of them, and such other data should be procured from observations, as would be farther necessary for that purpose […] In a letter to Henry Cavendish […].</i> In: <i>Philosophical Transactions.</i> Band 74, 1784, S. 35–57 (<a href="https://doi.org/10.1098/rstl.1784.0008" class="extiw external" title="doi:10.1098/rstl.1784.0008">doi:10.1098/rstl.1784.0008</a>, <a href="JSTOR" title="JSTOR">JSTOR</a>:<a rel="nofollow" class="external text" href="http://www.jstor.org/stable/106576">106576</a>).</li>
<li>[<i>John Michell to the Monthly Reviewers, Tornhill, 17. Mai 1785</i>]. In: <i>The monthly review, or, literary journal.</i> Band 72, 1785, S. 478–480 (<a rel="nofollow" class="external text" href="https://books.google.li/books?id=2NjPAAAAMAAJ&amp;pg=PA478">Digitalisat</a>).</li></ul>
<div class="mw-heading mw-heading2"><h2 id="Literatur">Literatur</h2></div>
<p><b>Ältere</b>
</p>
<ul><li><cite style="font-style:italic">Michell, John</cite>. In: <a href="John_Venn" title="John Venn">John Venn</a>, <a href="John_Archibald_Venn" title="John Archibald Venn">John Archibald Venn</a> (Hrsg.): <cite style="font-style:italic"><a href="Alumni_Cantabrigienses" title="Alumni Cantabrigienses">Alumni Cantabrigienses</a>. A Biographical List of All Known Students, Graduates and Holders of Office at the University of Cambridge, from the Earliest Times to 1900.</cite> Teil 1: <i>From the earliest times to 1751</i>, <span style="white-space:nowrap">Band<span style="display:inline-block;width:.2em">&nbsp;</span>3</span>: <span style="font-style:italic;">Kaile–Ryves</span>. Cambridge University Press, Cambridge 1924, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em">&nbsp;</span>182</span> (<a rel="nofollow" class="external text" href="http://venn.lib.cam.ac.uk/cgi-bin/search-2018.pl?sur=&amp;suro=w&amp;fir=&amp;firo=c&amp;cit=&amp;cito=c&amp;c=all&amp;z=all&amp;tex=MCL742J&amp;sye=&amp;eye=&amp;col=all&amp;maxcount=50">venn.lib.cam.ac.uk</a> <a rel="nofollow" class="external text" href="https://archive.org/details/p1alumnicantabri03univuoft/page/182/mode/1up">Textarchiv&nbsp;– Internet Archive</a>).<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rfr_id=info:sid/de.wikipedia.org:John+Michell&amp;rft.atitle=Michell%2C+John&amp;rft.btitle=Alumni+Cantabrigienses.+A+Biographical+List+of+All+Known+Students%2C+Graduates+and+Holders+of+Office+at+the+University+of+Cambridge%2C+from+the+Earliest+Times+to+1900.&amp;rft.date=1924&amp;rft.genre=book&amp;rft.pages=182&amp;rft.place=Cambridge&amp;rft.pub=Cambridge+University+Press&amp;rft.volume=Teil+1%3A+From+the+earliest+times+to+1751%2C+Band+3%3A+Kaile-Ryves" style="display:none">&nbsp;</span></li>
<li><cite class="lang" lang="en" dir="auto" style="font-style:italic">Michell, John</cite>. In: <cite class="lang" lang="en" dir="auto" style="font-style:italic"><a href="Encyclop%C3%A6dia_Britannica" title="Encyclopædia Britannica">Encyclopædia Britannica</a></cite>. 11. Auflage. <span style="white-space:nowrap">Band<span style="display:inline-block;width:.2em">&nbsp;</span>18</span>: <span style="font-style:italic;">Medal – Mumps</span>. London 1911, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em">&nbsp;</span>370</span> (englisch, <a href="https://de.wikisource.org/wiki/en:1911_Encyclop%C3%A6dia_Britannica/Michell,_John" class="extiw external" title="s:en:1911 Encyclopædia Britannica/Michell, John">Volltext</a> [<a href="Wikisource" title="Wikisource">Wikisource</a>]).<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rfr_id=info:sid/de.wikipedia.org:John+Michell&amp;rft.atitle=Michell%2C+John&amp;rft.btitle=Encyclop%C3%A6dia+Britannica&amp;rft.date=1911&amp;rft.edition=11.&amp;rft.genre=book&amp;rft.pages=370&amp;rft.place=London&amp;rft.volume=Band+18%3A+Medal+-+Mumps" style="display:none">&nbsp;</span></li>
<li><a href="Archibald_Geikie" title="Archibald Geikie">Archibald Geikie</a>: <i>Memoir of John Michell, M.A., B.D., F.R.S., fellow of Queens’ college, Cambridge, 1749, Woodwardian professor of geology in the university 1762.</i> University press, Cambridge 1918 (<a rel="nofollow" class="external text" href="https://www.biodiversitylibrary.org/page/22421401">Digitalisat</a>).</li></ul>
<p><b>Neuere</b>
</p>
<ul><li><a href="Russell_McCormmach" title="Russell McCormmach">Russell McCormmach</a>: <i>Weighing the World. The Reverend John Michell of Thornhill</i>. Springer, Dordrecht / Heidelberg / London / New York NY 2012, ISBN 978-94-007-2021-3, e-ISBN 978-94-007-2022-0.</li>
<li>Russell McCormmach: <i>John Michell and Henry Cavendish: weighing the stars.</i> In: <i>British Journal for the History of Science.</i> Band 4, Nr. 2, 1968, S. 126–155 (<a href="JSTOR" title="JSTOR">JSTOR</a>:<a rel="nofollow" class="external text" href="http://www.jstor.org/stable/4025143">4025143</a>).</li>
<li>Clyde L. Hardin: <i>The scientific work of the reverend John Michell.</i> In: <i>Annals of Science.</i> Band 22, Nr. 1, 1966, S. 27–47 (<a href="https://doi.org/10.1080/00033796600203015" class="extiw external" title="doi:10.1080/00033796600203015">doi:10.1080/00033796600203015</a>).</li>
<li>Michael Hoskin: <i>Michell, John (1724/5–1793)</i>. In: Henry Colin Gray Matthew, Brian Harrison (Hrsg.): <i><a href="Dictionary_of_National_Biography" title="Dictionary of National Biography">Oxford Dictionary of National Biography</a></i>, from the earliest times to the year 2000 (ODNB). Oxford University Press, Oxford 2004, ISBN 0-19-861411-X; <a href="https://doi.org/10.1093/ref:odnb/18657" class="extiw external" title="doi:10.1093/ref:odnb/18657">doi:10.1093/ref:odnb/18657</a> <small>(Lizenz erforderlich)</small>, Stand: 3.&nbsp;Januar 2008.</li>
<li>Colin Montgomery, Wayne Orchiston, Ian Whittingham: <i>Michell, Laplace and the origin of the black hole concept.</i> In: <i>Journal of Astronomical History and Heritage.</i> Band 12, Nr. 2, 2009, S. 90–96 (<a href="https://doi.org/10.3724/SP.J.1440-2807.2009.02.01" class="extiw external" title="doi:10.3724/SP.J.1440-2807.2009.02.01">doi:10.3724/SP.J.1440-2807.2009.02.01</a>).</li></ul>
<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
<ol class="references">
<li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><a href="Joseph_Robson_Tanner" title="Joseph Robson Tanner">Joseph Robson Tanner</a> (Hrsg.): <i>The historical register of the University of Cambridge being a supplement to the Calendar with a record of University offices honours and distinctions to the year 1910.</i> Cambridge University Press, Cambridge 1917, S. 90–91 (<a rel="nofollow" class="external text" href="https://archive.org/details/1910historicalreg00univuoft/page/90/mode/1up">online</a>).</span>
</li>
<li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><i>A succinct account of the proceedings relative to the discovery of the longitude at sea, by means of artificial time keepers, particularly Mr. Harrison’s […] .</i> In: <i>The Annual register.</i> 1765, Teil 2, S. 113–133 (<a rel="nofollow" class="external text" href="https://babel.hathitrust.org/cgi/pt?id=uva.x004215777&amp;seq=397">online</a>).</span>
</li>
<li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><cite style="font-style:italic">The Scientific Papers of Sir William Herschel, Vol. I</cite>. London 1912, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em">&nbsp;</span>XXXII</span> (<a rel="nofollow" class="external text" href="https://archive.org/details/scientificpapers032804mbp/page/n43/mode/2up?view=theater">archive.org</a>).<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rfr_id=info:sid/de.wikipedia.org:John+Michell&amp;rft.btitle=The+Scientific+Papers+of+Sir+William+Herschel%2C+Vol.+I&amp;rft.date=1912&amp;rft.genre=book&amp;rft.pages=XXXII&amp;rft.place=London" style="display:none">&nbsp;</span></span>
</li>
<li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><span class="book">Henry C. King: <cite class="lang" lang="en" dir="auto" style="font-style:italic">The History of the Telescope</cite>. Courier Corporation, 1955, ISBN 978-0-486-43265-6, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em">&nbsp;</span>91</span> (englisch, <a rel="nofollow" class="external text" href="https://books.google.com/books?id=KAWwzHlDVksC&amp;pg=PA91">google.com</a>).<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rfr_id=info:sid/de.wikipedia.org:John+Michell&amp;rft.au=Henry+C.%26%2332%3BKing&amp;rft.btitle=The+History+of+the+Telescope&amp;rft.date=1955&amp;rft.genre=book&amp;rft.isbn=9780486432656&amp;rft.pages=91&amp;rft.pub=Courier+Corporation" style="display:none">&nbsp;</span></span></span>
</li>
<li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text">E. Hutton: <cite style="font-style:italic">The Reverend John Michell: A Letter from his Great-grandson</cite>. In: <cite style="font-style:italic">Antiquarian Astronomer</cite>. <span style="white-space:nowrap">Nr.<span style="display:inline-block;width:.2em">&nbsp;</span>3</span>, 2006, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em">&nbsp;</span>65–68</span>, <a href="Bibcode" title="Bibcode">bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2006AntAs...3...65H">2006AntAs...3...65H</a>.<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rfr_id=info:sid/de.wikipedia.org:John+Michell&amp;rft.atitle=The+Reverend+John+Michell%3A+A+Letter+from+his+Great-grandson&amp;rft.au=E.+Hutton&amp;rft.date=2006&amp;rft.genre=journal&amp;rft.issue=3&amp;rft.jtitle=Antiquarian+Astronomer&amp;rft.pages=65-68" style="display:none">&nbsp;</span></span>
</li>
<li id="cite_note-6"><span class="mw-cite-backlink"><a href="#cite_ref-6">↑</a></span> <span class="reference-text">Eintrag zu <a rel="nofollow" class="external text" href="https://catalogues.royalsociety.org/CalmView/Record.aspx?src=CalmView.Persons&amp;id=NA7798&amp;pos=2&amp;pos=1"><i>Michell; John (1724–1793)</i></a> im Archiv der <i><a href="Royal_Society" title="Royal Society">Royal Society</a></i>, London<span class="editoronly" style="display:none;"></span></span>
</li>
</ol>
<div class="mw-heading mw-heading2"><h2 id="Weblinks">Weblinks</h2></div>
<ul><li><a rel="nofollow" class="external text" href="https://history.queens.cam.ac.uk/individuals-interest/john-michell">John Michell</a> auf der Website des Queens’ College Cambridge</li>
<li><a href="Florian_Freistetter" title="Florian Freistetter">Florian Freistetter</a>: <a rel="nofollow" class="external text" href="https://scienceblogs.de/astrodicticum-simplex/2015/05/06/john-mitchell-und-newtons-lichtteilchen-erste-gedanken-ueber-schwarze-loecher-dunkle-sterne-01/">John Michell und Newtons Lichtteilchen: Erste Gedanken über schwarze Löcher</a></li></ul>
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Normdaten&nbsp;(Person): <a href="Gemeinsame_Normdatei" title="Gemeinsame Normdatei">GND</a>: <span class="-print"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/1022525581">1022525581</a></span> | <a href="Library_of_Congress_Control_Number" title="Library of Congress Control Number">LCCN</a>: <span class="-print"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/n84805216">n84805216</a></span> | <a href="Virtual_International_Authority_File" title="Virtual International Authority File">VIAF</a>: <span class="-print"><a rel="nofollow" class="external text" href="https://viaf.org/viaf/109281572/">109281572</a></span> | </div>
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