Friedrich Wilhelm Ostwald (1853 nî 9 goe̍h 2 ji̍t – 1932 nî 4 goe̍h 4 ji̍t) sī chi̍t ūi Tek-kok ê hòa-ha̍k-ka. I mā-sī 1909 nî Nobel Hòa-ha̍k Chióng ê ti̍t-chióng-jîn; i ti̍t-chióng ê lí-iû sī [for] his work on catalysis and for his investigations into the fundamental principles governing chemical equilibria and rates of reaction.

Wilhelm Ostwald