Autograph,&nbsp;Gerhard Ertl. is a German Physicist and Professor Emeritus at the department of Physical Chemistry, Awarded the 2007 Nobel Prize in Chemistry for his studies of chemical processes on solid surfaces, about extremely fine.

Autograph of German Physician Gerhard Ertl.

Autograph of German Physician Gerhard Ertl.

Autograph of Wolfgang Ketterle of German Physicist.

Autograph of Erwin Neher.

Yuan Tseh Lee Taiwanese chemist of First Taiwanese won ...

Autograph of Karl Barry Sharpless of American chemist.

Autograph of Dr Lawrence Gonzi of Prime Minster of Mal ...

Autograph of Andrea Henkel.

Autograph of Demetris Christofias of The president of t ...

Autograph of Karl Barry Sharpless of An American chemi ...

Autograph of Ben Engel.

Autographs of Robert Duane Ballard of Former United St ...

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