1.0Imperial College Video Archive Bloghttps://blogs.imperial.ac.uk/videoarchiveColin Grimshawhttps://blogs.imperial.ac.uk/videoarchive/author/cgr/rich600338<blockquote class="wp-embedded-content" data-secret="CkZW5zSC2E"><a href="https://blogs.imperial.ac.uk/videoarchive/professor-jim-ring-1980/">Professor Jim Ring: 1980</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://blogs.imperial.ac.uk/videoarchive/professor-jim-ring-1980/embed/#?secret=CkZW5zSC2E" width="600" height="338" title="“Professor Jim Ring: 1980” — Imperial College Video Archive Blog" data-secret="CkZW5zSC2E" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !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); //# sourceURL=https://blogs.imperial.ac.uk/videoarchive/wp-includes/js/wp-embed.min.js /* ]]> */ </script> Professor Jim Ring was Professor of Infra-Red Astronomy at Imperial College. He appeared many times with Patrick Moore on the Sky at Night and was also on the board of the (IBA) Independent Broadcasting Authority for some 6 years...https://blogs.imperial.ac.uk/videoarchive/files/2014/04/Colour-Camera-300x199.jpg