Gerhard Ertl (Born 10 October 1936) is a German physicist and a Professor emeritus at the Department of Physical Chemistry, Fritz-Haber-Institut der Max-Planck-Gesellschaft in Berlin, Germany. Ertl&rsquo;s research laid the foundation of modern surface chemistry, which has helped explain how fuel cells produce energy without pollution, how catalytic converters clean up car exhausts and even why iron rusts, the Royal Swedish Academy of Sciences said

Autograph of Erwin Neher of Prize in Physiology 1991 or ...

Royalty Autograph of King George IV.

India Autograph of C. M. Stephen of Ex-Union Minister f ...

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