Cover of the <i><a href="https://en.wikipedia.org/wiki/Bulletin_of_the_Atomic_Scientists" class="extiw" title="en:Bulletin of the Atomic Scientists">Bulletin of the Atomic Scientists</a></i>.
<p>Bulletin of the Atomic Scientists.
The original uploader was <a href="https://en.wikipedia.org/wiki/User:Fastfission" class="extiw" title="wikipedia:User:Fastfission">Fastfission</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>..
</p>
Later version(s) were uploaded by <a href="https://en.wikipedia.org/wiki/User:FreeMediaKid!" class="extiw" title="en:User:FreeMediaKid!">FreeMediaKid!</a>, <a href="https://en.wikipedia.org/wiki/User:Goszei" class="extiw" title="en:User:Goszei">Goszei</a> at <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>.
<p>Transferred from <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></span> to Commons.<br></p>
(Original text : <i><a rel="nofollow" class="external autonumber" href="https://www.nationalgeographic.com/history/article/the-doomsday-clock-is-now-75-and-its-still-ticking">[1]</a></i>)