Engin Umut Akkaya is one of the leading scientists in molecular fluorescence and molecular logic gates. In this photo you can see him in his lab with his PhD students in the Bilkent University UNAM, Ankara, Turkey, in 2010.
<a href="//commons.wikimedia.org/w/index.php?title=User:Yigitaltay&amp;action=edit&amp;redlink=1" class="new" title="User:Yigitaltay (page does not exist)">Yigit Altay</a>
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<span class="int-own-work" lang="en">Own work</span>