{"version":"1.0","provider_name":"Department of Mathematics Blog","provider_url":"https:\/\/www.sites.se.manchester.ac.uk\/maths-blog","title":"Brian Hartley - Department of Mathematics Blog","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"L9t9eU2oiA\"><a href=\"https:\/\/www.sites.se.manchester.ac.uk\/maths-blog\/2020\/03\/31\/brian-hartley\/\">Brian Hartley<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.sites.se.manchester.ac.uk\/maths-blog\/2020\/03\/31\/brian-hartley\/embed\/#?secret=L9t9eU2oiA\" width=\"600\" height=\"338\" title=\"&#8220;Brian Hartley&#8221; &#8212; Department of Mathematics Blog\" data-secret=\"L9t9eU2oiA\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.sites.se.manchester.ac.uk\/maths-blog\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.sites.se.manchester.ac.uk\/maths-blog\/wp-content\/uploads\/sites\/13\/2020\/03\/DSCK2549-1-scaled-1.jpg","thumbnail_width":2560,"thumbnail_height":1707,"description":"In this historical feature we explore Brian Hartley (1939-1994) and his influential work.\u00a0 Brian Hartley is known for his outstanding work in many different areas of group theory. He made important contributions to the theory of locally finite groups, group-rings, soluble groups, simple groups, permutation groups, linear groups and representation of groups. Hartley spent periods [&hellip;]"}