IP signed photograph, shows Gerhard Ertl during a speech, 12 x 8 inch, obtained In-Person in Lindau, July 2015, signed in black sharpie, in very fine condition.
|Profession||German physicist - he won the 2007 Nobel Prize in Chemistry|
|Size in inch (1 inch = 2.5 cm)||12 x 8|
|Type of Autograph||photographs|
|Wikilink||More information on Wikipedia|