1.0The Spacewriter's Ramblingshttps://thespacewriter.com/wprich600338<blockquote class="wp-embedded-content" data-secret="rMHpU3srlv"><a href="https://thespacewriter.com/wp/2014/01/17/rest-in-peace-john-dobson/">Rest in Peace, John Dobson</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://thespacewriter.com/wp/2014/01/17/rest-in-peace-john-dobson/embed/#?secret=rMHpU3srlv" width="600" height="338" title="“Rest in Peace, John Dobson” — The Spacewriter's Ramblings" data-secret="rMHpU3srlv" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(c,d){"use strict";var e=!1,o=!1;if(d.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=d.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=d.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=new RegExp("^https?:$","i"),l=0;l<n.length;l++)n[l].style.display="none";for(l=0;l<i.length;l++)if(r=i[l],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if("link"===t.message)if(s=d.createElement("a"),a=d.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,!o.test(a.protocol));else if(a.host===s.host)if(d.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),d.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=d.querySelectorAll("iframe.wp-embedded-content"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document); </script> The “Guerilla Astronomer” I met John Dobson for the first time at a star party more than two decades ago. He was busily showing people how to hand polish mirrors for their own telescopes. One little girl in particular was meticulously hand grinding and polishing, more or less oblivious to everything and everybody around her. … Continue reading →http://upload.wikimedia.org/wikipedia/commons/3/3f/JohnDobson2002.jpg