{"id":202,"date":"2023-11-07T16:10:09","date_gmt":"2023-11-07T16:10:09","guid":{"rendered":"https:\/\/hodge.maths.ed.ac.uk\/?page_id=202"},"modified":"2023-11-07T16:10:09","modified_gmt":"2023-11-07T16:10:09","slug":"ian-porteous","status":"publish","type":"page","link":"https:\/\/hodge.maths.ed.ac.uk\/?page_id=202","title":{"rendered":"Ian Porteous"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3a88641f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\">Ian Porteous (1930-2011) was an undergraduate student in Edinburgh 1948-1952. Subsequently, he was both an undergraduate and a graduate student at Trinity College, Cambridge, where he obtained a Ph.D. in 1960 under the supervision of William Hodge and Michael Atiyah. He was at the University of Liverpool from 1959 until his retirement in 1998. He was active in research, principally in singularity theory &#8211; notably as the author of the&nbsp;<a target=\"_blank\" href=\"http:\/\/en.wikipedia.org\/wiki\/Porteous_formula\" rel=\"noreferrer noopener\">Porteous formula<\/a>&nbsp;(still&nbsp;<a target=\"_blank\" href=\"http:\/\/scholar.google.co.uk\/scholar?hl=en&amp;q=Porteous+formula\" rel=\"noreferrer noopener\">widely used<\/a>), and also in mathematical education. The&nbsp;<a target=\"_blank\" href=\"http:\/\/www.ams.org.ezproxy.is.ed.ac.uk\/mathscinet\/search\/publications.html?pg4=AUCN&amp;s4=Porteous%2C+I*&amp;co4=AND&amp;pg5=TI&amp;s5=&amp;co5=AND&amp;pg6=ALLF&amp;s6=&amp;co6=AND&amp;pg7=ALLF&amp;s7=&amp;co7=AND&amp;Submit=Search&amp;dr=all&amp;yrop=eq&amp;arg3=&amp;yearRangeFirst=&amp;yearRangeSecond=&amp;pg8=ET&amp;s8=All&amp;review_format=html\" rel=\"noreferrer noopener\">Mathematical Reviews listing<\/a>, the&nbsp;<a target=\"_blank\" href=\"http:\/\/en.wikipedia.org\/wiki\/Ian_R._Porteous\" rel=\"noreferrer noopener\">Wikipedia article<\/a>, the&nbsp;<a target=\"_blank\" href=\"http:\/\/www.theguardian.com\/education\/2011\/feb\/17\/ian-porteous-obituary\" rel=\"noreferrer noopener\">Guardian obituary<\/a>, the&nbsp;<a target=\"_blank\" href=\"http:\/\/www.scotsman.com\/news\/obituary-dr-ian-porteous-mathematics-academic-1-1501834\" rel=\"noreferrer noopener\">Scotsman obituary<\/a>, and&nbsp;<a target=\"_blank\" href=\"http:\/\/hodge.maths.ed.ac.uk\/tiki\/dl121\" rel=\"noreferrer noopener\">Peter Giblin&#8217;s tribute<\/a>&nbsp;together give a good account of Ian&#8217;s achievements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At Edinburgh Ian was awarded 4 class medals &#8220;Mathematical Physics&#8221; 1948-49, &#8220;Mathematics: General Analysis&#8221; 1950-51, &#8220;Higher Algebra and Geometry&#8221; 1950-51, 1951-52, and also the &#8220;Napier Medal and G.B. Gadgil Prize&#8221; in 1952. Ian&#8217;s widow Shona and son Rob have presented the 5 medals to the School. The photographs of the medals below were taken by Carmen Rovi:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"904\" height=\"1024\" src=\"https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteousmedals1-904x1024.jpeg\" alt=\"\" class=\"wp-image-204\" style=\"aspect-ratio:0.8828125;width:733px;height:auto\" srcset=\"https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteousmedals1-904x1024.jpeg 904w, https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteousmedals1-265x300.jpeg 265w, https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteousmedals1-768x870.jpeg 768w, https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteousmedals1-1356x1536.jpeg 1356w, https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteousmedals1-1808x2048.jpeg 1808w\" sizes=\"auto, (max-width: 904px) 100vw, 904px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteousmedals2-764x1024.jpeg\" alt=\"\" class=\"wp-image-205\" style=\"aspect-ratio:0.74609375;width:733px;height:auto\" srcset=\"https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteousmedals2-764x1024.jpeg 764w, https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteousmedals2-224x300.jpeg 224w, https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteousmedals2-768x1029.jpeg 768w, https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteousmedals2-1146x1536.jpeg 1146w, https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteousmedals2-1528x2048.jpeg 1528w, https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteousmedals2-scaled.jpeg 1911w\" sizes=\"auto, (max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Class medals are no longer awarded, but the Napier Medal and G.B.Gadgil Prize are still going strong. Ian&#8217;s brother Hugh was awarded it in 1965. The Latin text of the Napier Medal has the English translation: &#8220;In memory of Baron Napier of Merchiston this medal was donated for presentaton annually for excellence in the study of Mathematics among the students of Edinburgh by W.W.Rouse Ball, M.A., Fellow of the College of the Holy and Indivisible Trinity at the University of Cambridge.&#8221;<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"719\" height=\"914\" src=\"https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteous.jpeg\" alt=\"\" class=\"wp-image-203\" style=\"aspect-ratio:0.7866520787746171;width:356px;height:auto\" srcset=\"https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteous.jpeg 719w, https:\/\/hodge.maths.ed.ac.uk\/wp-content\/uploads\/2023\/11\/Porteous-236x300.jpeg 236w\" sizes=\"auto, (max-width: 719px) 100vw, 719px\" \/><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Ian Porteous (1930-2011) was an undergraduate student in Edinburgh 1948-1952. Subsequently, he was both an undergraduate and a graduate student at Trinity College, Cambridge, where he obtained a Ph.D. in 1960 under the supervision of William Hodge and Michael Atiyah. He was at the University of Liverpool from 1959 until his retirement in 1998. He [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-202","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=\/wp\/v2\/pages\/202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=202"}],"version-history":[{"count":1,"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=\/wp\/v2\/pages\/202\/revisions"}],"predecessor-version":[{"id":206,"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=\/wp\/v2\/pages\/202\/revisions\/206"}],"wp:attachment":[{"href":"https:\/\/hodge.maths.ed.ac.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}