<div>Gerhard Ertl &nbsp;is a German physicist and a Professor emeritus at the Department of Physical Chemistry,&nbsp;Awarded the 2007 Nobel Prize in Chemistry for his studies of chemical processes on solid surfaces, 100 X 114.9 mm &nbsp;Excellent Condition.</div>

Autograph of German Physician Gerhard Ertl.

Autograph of German Physician Gerhard Ertl.

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