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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Lan Jen Chu</span></span>
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</style><table class="infobox biography vcard"><tbody><tr><th colspan="2" class="infobox-above" style="font-size:125%;"><div class="fn">Lan Jen Chu</div></th></tr><tr><td colspan="2" class="infobox-image"><div class="center"><div class="center">
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</div></div><div class="infobox-caption">Chu <abbr title="circa">c.</abbr><span style="white-space:nowrap;"> 1952</span></div></td></tr><tr><th scope="row" class="infobox-label">Born</th><td class="infobox-data"><span style="display:none">(<span class="bday">1913-08-24</span>)</span>August 24, 1913<br><div style="display:inline" class="birthplace"><a href="Huai'an" title="Huai'an">Huai'an</a>, <a href="Jiangsu" title="Jiangsu">Jiangsu</a>, <a href="Republic_of_China_(1912%E2%80%931949)" title="Republic of China (1912–1949)">China</a></div></td></tr><tr><th scope="row" class="infobox-label">Died</th><td class="infobox-data">July 25, 1973<span style="display:none">(1973-07-25)</span> (aged 59)<br><div style="display:inline" class="deathplace"><a href="Lexington%2C_Massachusetts" title="Lexington, Massachusetts">Lexington, Massachusetts</a>, U.S.</div></td></tr><tr><th scope="row" class="infobox-label">Alma mater</th><td class="infobox-data"><style data-mw-deduplicate="TemplateStyles:r1126788409">
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<ul><li><a href="Shanghai_Jiao_Tong_University" title="Shanghai Jiao Tong University">Shanghai Jiao Tong University</a></li>
<li><a href="Massachusetts_Institute_of_Technology" title="Massachusetts Institute of Technology">Massachusetts Institute of Technology</a></li></ul>
</div></td></tr><tr><th scope="row" class="infobox-label">Known for</th><td class="infobox-data"><div class="plainlist">
<ul><li><a href="Julius_Adams_Stratton" title="Julius Adams Stratton">Stratton</a>-Chu integral equation</li>
<li><a href="Chu%E2%80%93Harrington_limit" title="Chu–Harrington limit">Chu–Harrington limit</a></li></ul>
</div></td></tr><tr><th scope="row" class="infobox-label">Awards</th><td class="infobox-data">Fellow of <a href="American_Physical_Society" title="American Physical Society">APS</a><br>Fellow of <a href="Institute_of_Radio_Engineers" title="Institute of Radio Engineers">IRE</a></td></tr><tr><td colspan="2" class="infobox-full-data"><b>Scientific career</b></td></tr><tr><th scope="row" class="infobox-label">Fields</th><td class="infobox-data category"><a href="Electrical_engineering" title="Electrical engineering">Electrical engineering</a></td></tr><tr><th scope="row" class="infobox-label">Institutions</th><td class="infobox-data"><a href="Massachusetts_Institute_of_Technology" title="Massachusetts Institute of Technology">Massachusetts Institute of Technology</a></td></tr><tr><th scope="row" class="infobox-label"><a href="Thesis" title="Thesis">Thesis</a></th><td class="infobox-data"><i><a rel="nofollow" class="external text" href="https://dspace.mit.edu/handle/1721.1/55048">Transmission and radiation of electromagnetic waves in hollow-pipes and horns</a></i> <span style="font-size:97%;">(1938)</span></td></tr><tr><th scope="row" class="infobox-label"><a href="Doctoral_advisor" title="Doctoral advisor">Doctoral advisor</a></th><td class="infobox-data"><div class="plainlist">
<ul><li><a href="Wilmer_L._Barrow" title="Wilmer L. Barrow">Wilmer Barrow</a></li>
<li><a href="Julius_Adams_Stratton" title="Julius Adams Stratton">Julius Adams Stratton</a></li></ul>
</div></td></tr><tr><th scope="row" class="infobox-label">Doctoral students</th><td class="infobox-data"><div class="plainlist">
<ul><li><a href="Frederic_Richard_Morgenthaler" title="Frederic Richard Morgenthaler">Frederic Morgenthaler</a></li>
<li><a href="Hermann_A._Haus" title="Hermann A. Haus">Hermann A. Haus</a></li></ul>
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<p><b>Lan Jen Chu</b> (August 24, 1913 – July 25, 1973) was a Chinese-born American <a href="Electrical_engineer" class="mw-redirect" title="Electrical engineer">electrical engineer</a> and a professor of electrical engineering at the <a href="Massachusetts_Institute_of_Technology" title="Massachusetts Institute of Technology">Massachusetts Institute of Technology</a>. Chu is noted for his work on the fundamental limitations for small antennas, also known as <a href="Chu%E2%80%93Harrington_limit" title="Chu–Harrington limit">Chu–Harrington limit</a>.
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<div class="mw-heading mw-heading2"><h2 id="Biography">Biography</h2></div>
<p>Lan Jen Chu was born on August 24, 1913, in <a href="Huai'an" title="Huai'an">Huai'an</a> in the <a href="Jiangsu" title="Jiangsu">Jiangsu</a> province of <a href="China" title="China">China</a>.<sup id="cite_ref-mtt_bio_1-0" class="reference"><a href="#cite_note-mtt_bio-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> He graduated from <a href="Shanghai_Jiao_Tong_University" title="Shanghai Jiao Tong University">Shanghai Jiao Tong University</a> in 1934 with a Bachelor of Science degree in electrical power, and went on to receive Master of Science and Doctorate of Science degrees in electrical engineering from MIT in 1935 and 1938, respectively.<sup id="cite_ref-mtt_bio_1-1" class="reference"><a href="#cite_note-mtt_bio-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Chu was with the <a href="Radiation_Laboratory" class="mw-redirect" title="Radiation Laboratory">Radiation Laboratory</a> at MIT from 1942 to 1946 and with the Department of Electrical Engineering from 1947 to 1973.<sup id="cite_ref-museum_nom_2-0" class="reference"><a href="#cite_note-museum_nom-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> He died on July 25, 1973, in <a href="Lexington%2C_Massachusetts" title="Lexington, Massachusetts">Lexington, Massachusetts</a>, and was survived by his wife Grace Feng and three children.<sup id="cite_ref-nytimes_3-0" class="reference"><a href="#cite_note-nytimes-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><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>
</p><p>During <a href="World_War_II" title="World War II">World War II</a>, Chu supervised research at MIT of many special antennas for use in radar and telecommunication applications.<sup id="cite_ref-mtt_bio_1-2" class="reference"><a href="#cite_note-mtt_bio-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> In 1945, he acted as a <a href="United_States_Secretary_of_War" title="United States Secretary of War">United States Secretary of War</a> and headed the advisory specialist group to <a href="United_States_Armed_Forces" title="United States Armed Forces">United States Armed Forces</a> in China. For his services, he received the <a href="President's_Certificate_of_Merit" title="President's Certificate of Merit">President's Certificate of Merit</a>.<sup id="cite_ref-nytimes_3-1" class="reference"><a href="#cite_note-nytimes-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> He has also authored three technical books, two of which were with Richard Adler and <a href="Robert_Fano" title="Robert Fano">Robert Fano</a> in the area of <a href="Electromagnetics" class="mw-redirect" title="Electromagnetics">electromagnetics</a>.<sup id="cite_ref-mitpress_5-0" class="reference"><a href="#cite_note-mitpress-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Lan Jen Chu was a fellow of the <a href="American_Physical_Society" title="American Physical Society">American Physical Society</a> and the <a href="Institute_of_Radio_Engineers" title="Institute of Radio Engineers">Institute of Radio Engineers</a>,<sup id="cite_ref-mtt_bio_1-3" class="reference"><a href="#cite_note-mtt_bio-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> as well as a member of <a href="Academia_Sinica" title="Academia Sinica">Academia Sinica</a>.<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>
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<div class="mw-heading mw-heading2"><h2 id="Publications">Publications</h2></div>
<div class="mw-heading mw-heading3"><h3 id="Books">Books</h3></div>
<ul><li>Adler RB, Chu LJ, <a href="Robert_Fano" title="Robert Fano">Fano RM</a>, <i>Electromagnetic Energy Transmission and Radiation</i>, <a href="MIT_Press" title="MIT Press">MIT</a>, 1968.</li>
<li><a href="Robert_Fano" title="Robert Fano">Fano RM</a>, Chu LJ, Adler RB, <i>Electromagnetic Fields, Energy, and Forces</i>, <a href="MIT_Press" title="MIT Press">MIT</a>, 1968.</li>
<li><a href="Julius_Adams_Stratton" title="Julius Adams Stratton">Stratton JA</a>, <a href="Philip_M._Morse" title="Philip M. Morse">Morse PM</a>, Chu LJ, Hunter RA, <i>Elliptic Cylinder and Spheroidal Wave Functions: Including Tables of Separation Constants and Coefficients</i>, <a href="Wiley_(publisher)" title="Wiley (publisher)">Wiley</a>-<a href="MIT_Press" title="MIT Press">MIT</a>, 1941.</li>
<li><a href="Julius_Adams_Stratton" title="Julius Adams Stratton">Stratton JA</a>, <a href="Philip_M._Morse" title="Philip M. Morse">Morse PM</a>, Chu LJ, <a href="John_Little_(academic)" title="John Little (academic)">Little JDC</a>, <a href="Fernando_J._Corbat%C3%B3" title="Fernando J. Corbató">Corbató FJ</a>, <i>Spheroidal Wave Functions: Including Tables of Separation Constants and Coefficients</i>, <a href="MIT_Press" title="MIT Press">MIT</a>, 1956.</li></ul>
<div class="mw-heading mw-heading3"><h3 id="Book_chapters">Book chapters</h3></div>
<ul><li><a href="Julius_Adams_Stratton" title="Julius Adams Stratton">Stratton JA</a>, <i>Electromagnetic Theory</i>, <a href="Wiley_(publisher)" title="Wiley (publisher)">Wiley</a>-<a href="Institute_of_Electrical_and_Electronics_Engineers" title="Institute of Electrical and Electronics Engineers">IEEE</a>, 2007, pp. 464–470.</li></ul>
<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>
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</style><cite class="citation journal cs1">"Biography - Lan Jen Chu". <i>IRE Transactions on Microwave Theory and Techniques</i>. <b>6</b> (3). IEEE: 249. July 1958. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1958ITMTT...6..249.">1958ITMTT...6..249.</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1109%2FTMTT.1958.1124553">10.1109/TMTT.1958.1124553</a>.</cite></span>
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</style></div><div role="navigation" class="navbox authority-control" aria-labelledby="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q16007363#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata1193" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q16007363#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata1193" style="font-size:114%;margin:0 4em">Authority control databases </div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">International</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://isni.org/isni/0000000111587714">ISNI</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://viaf.org/viaf/162272435">VIAF</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://id.oclc.org/worldcat/entity/E39PBJhRDd7xjjVmv4D6frHQv3">WorldCat</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">National</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><span class="rt-commentedText tooltip tooltip-dotted" title="Chu, Lan Jen"><a rel="nofollow" class="external text" href="https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica=ctu2013773366&CON_LNG=ENG">Czech Republic</a></span></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="http://data.bibliotheken.nl/id/thes/p141541512">Netherlands</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Academics</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.mathgenealogy.org/id.php?id=65030">Mathematics Genealogy Project</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.idref.fr/12056372X">IdRef</a></span></li></ul></div></td></tr></tbody></table></div></div><!--htdig_noindex--><div><div class="zim-footer">
This article is issued from <a class="external text" title="Last edited on 2025-03-17" href="https://en.wikipedia.org/wiki/?title=Lan_Jen_Chu&oldid=1280914033">Wikipedia</a>. The text is available under <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-Share Alike 4.0</a> unless otherwise noted. Additional terms may apply for the media files.
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