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.

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

Autograph of Yuan Tseh Lee Taiwanese Chemist of First ...

Autograph of Yuan Tseh Lee of Taiwanese chemist.

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Autograph of Karl Barry Sharpless of American chemist.

Autograph of Martin Charfie.

Wolfgang Ketterle is a German physicist and Professor o ...

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Autograph of Thor Hushovd.