Solve this ‘wordoku’ in the same way as a sudoku with letters instead of numbers (the nine letters once in each row, column and nine-square cell). Once solved, one of the overall diagonals contains the jumbled surname of a famous chemist. What is his name, with whom did he share a Nobel prize, and name one of the compounds which he isolated?

This week’s letters are: A B D E M N S T U

 

 

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