Francis William (1877—1945), English physicist. He invented the mass spectrograph (with J. J. Thomson) and eventually discovered many of the 287 naturally occurring isotopes of non-radioactive elements. Nobel Prize for Chemistry (1922).
阿斯顿,弗兰西斯·威廉(1877—1945,英国物理学家,与J·J·汤姆孙共同发明质谱仪,最终发现了非放射性元素287种天然同位素中的多种,1922年获诺贝尔化学奖)。