Frederick Soddy (1877 nî 9 goe̍h 2 ji̍t – 1956 nî 9 goe̍h 22 ji̍t) sī chi̍t ūi Eng-kok ê hòa-ha̍k-ka. I mā-sī 1921 nî Nobel Hòa-ha̍k Chióng ê ti̍t-chióng-jîn; i ti̍t-chióng ê lí-iû sī for his contributions to our knowledge of the chemistry of radioactive substances, and his investigations into the origin and nature of isotopes.

Frederick Soddy