314 - Isaac Asimov (1920-1992) Russian-born American author and professor of biochemistry, best known for his works of science fiction and for his popular science books. Asimov was one of the most prolific writers of all time, having written or edited more than 500 books and an estimated 9,000 letters and postcards. Asimov is widely considered a master of the science-fiction genre and, along with Robert A. Heinlein and Arthur C. Clarke, was considered one of the "Big Three" science-fiction writers during his lifetime. Autographed Print of a Black and White Photo. Signature in Pen. Good Condition. Measures 9-1/4 Inches by 6 Inches. Shipping $15.00 (estimate $25-$50)