1.0Harvard Gazettehttps://news.harvard.edu/gazettegazetteimporthttps://news.harvard.edu/gazette/story/author/gazetteimport/rich600338<blockquote class="wp-embedded-content" data-secret="TpUxHCCdc1"><a href="https://news.harvard.edu/gazette/story/2004/10/siever-geologist-former-department-chair-81/">Siever, geologist, former department chair, 81</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://news.harvard.edu/gazette/story/2004/10/siever-geologist-former-department-chair-81/embed/#?secret=TpUxHCCdc1" width="600" height="338" title="“Siever, geologist, former department chair, 81” — Harvard Gazette" data-secret="TpUxHCCdc1" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! 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://news.harvard.edu/wp-includes/js/wp-embed.min.js </script> Professor of Geology Emeritus Raymond Siever passed away on Sept. 24 at the age of 81. Siever was first appointed to the Department of Earth and Planetary Sciences in 1957, serving as chair from 1968 to 1971 and again from 1976 to 1981.https://news.harvard.edu/gazette/wp-content/uploads/2004/10/10-siever1-225-2.jpg