Find the name of a Russian-Canadian polymer chemist in this sudoku-style puzzle

Solve this wordoku in the same way as a sudoku with letters instead of numbers (each of the nine letters in each row, column and nine-square cell). Once solved, one of the overall diagonals can be rearranged into the name of a Russian-Canadian polymer chemist who received a Royal Society of Chemistry prize in 2019.

This week’s letters are: A C E H K M S U V