<a href="https://en.wikipedia.org/wiki/Niklaus_Wirth" class="extiw" title="en:Niklaus Wirth">Niklaus Wirth</a> giving a lecture (photo taken on his visit to <a href="https://en.wikipedia.org/wiki/Ural_State_University" class="extiw" title="en:Ural State University">Ural State University</a>)
<a href="https://en.wikipedia.org/wiki/User:Tyomitch" class="extiw" title="en:User:Tyomitch">Tyomitch</a>
<span class="int-own-work" lang="en">Own work</span>