James D. Watson
Dr. James D. Watson, one of the co-discoverers of deoxyribonucleic acid (DNA) with Francis Crick, Maurice Wilkins and Rosalind Franklin.
Take a good look at the image below. When you are ready, hit 'Start'. The jigsaw pieces will appear and timer will begin. Assemble the puzzle by fitting the pieces together to complete the image. When you have completed the puzzle, you're done. Let's see how fast you can assemble it!
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