Drawing of Doomsday clock established by Board of Directors of Atomic Scientist Bulletin.
<a href="//commons.wikimedia.org/wiki/User:%E0%AE%9A%E0%AE%9E%E0%AF%8D%E0%AE%9A%E0%AF%80%E0%AE%B5%E0%AE%BF_%E0%AE%9A%E0%AE%BF%E0%AE%B5%E0%AE%95%E0%AF%81%E0%AE%AE%E0%AE%BE%E0%AE%B0%E0%AF%8D" class="mw-redirect" title="User:சஞ்சீவி சிவகுமார்">சஞ்சீவி சிவகுமார்</a>
2012-01-12
<span class="int-own-work" lang="en">Own work</span>