Test your knowledge of famous historical chemists
Try to fill in the crossword with names based on the clues below.
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1. Worked on natural product chemistry and collected over 4000 signatures from famous scientists
2. Pioneered the study of biomolecules by X-ray crystallography
3. Co-discovered the double helix structure of DNA
5. Co-discovered the isotope protactinium-231
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4. Received high honors for work on asymmetric hydrogenation
6. Developed a device that allowed the first exact measurements of the osmotic pressure of a solution
7. Co-developed a process for the fixation of nitrogen with Kristian Birkeland
8. Was the first researcher to isolate the enzyme collagenase
