<div>Karl Barry Sharpless,&nbsp;An&nbsp;American chemist known for his work on stereoselective reactions. In 2001 he won a half-share of the Nobel Prize in Chemistry, &nbsp;117.5 X 112.5 mm&nbsp;Excellent Condition.</div>

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

Autograph of Erwin Neher.

Autograph of German Physician Gerhard Ertl.

Autograph of Wolfgang Ketterle of German Physicist.

Autograph of Yuan Tseh Lee of Taiwanese chemist.

Autograph of German Physician Gerhard Ertl.

Autograph of Robert Barton Englund.

Autograph of German Physician Gerhard Ertl.

Autograph of Juan Berenguer.

England Star Sir Geoffrey Charles Hurst Signed FDC. 196 ...

Roger Federer, International Tennis Player, Excellent ...

Autograph of David Suzuki of Japanese Canadian academic ...