Louis Joseph Gay-Lussac (1778 nî 12 goe̍h 6 ji̍t - 1850 nî 5 goe̍h 9 ji̍t) sī Hoat-kok ê hoà-ha̍k-ka kiam bu̍t-lí-ha̍k-ka. I tùi khì-thé ê sèng-chit chin ū ián-kiù.

Louis Joseph Gay-Lussac