1.0Reasons to Believehttps://reasons.orgCheryl Cummingshttps://reasons.org/author/ccummingsreasons-orgrich600338<blockquote class="wp-embedded-content" data-secret="PwfBWcfCuZ"><a href="https://reasons.org/people/mark-clark">Mark Clark</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://reasons.org/people/mark-clark/embed#?secret=PwfBWcfCuZ" width="600" height="338" title="“Mark Clark” — Reasons to Believe" data-secret="PwfBWcfCuZ" 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://reasons.org/wp-includes/js/wp-embed.min.js </script> https://reasons.org/wp-content/uploads/2020/09/scholar__clark-largeee.jpg300300Mark T. Clark, author of Daniel in Babylon (2025), is Emeritus Professor of Political Science and National Security Studies, with many academic papers to his credit. He came to faith during his years in the Marine Corps, then launched his academic career. A contributor to Lights in the Sky and Little Green Men (2002), cowritten with Hugh Ross and Kenneth Samples, Mark is currently working with Hugh on an updated assessment of the UFO/UAP problem, scheduled for release in 2027.