Francis Crick
Francis Crick was a British molecular biologist, biophysicist, and neuroscientist, best known for co-discovering the structure of the DNA molecule in 1953 with James Watson.
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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