KnowraFrancis William AstonLinked fromLinked fromThe 4 pages that link to Francis William Aston, each with the reason it gives.All 4Related 3Compared with 1J. J. ThomsonRelated: Aston worked under Thomson and extended his investigations of positive rays into isotope measurement.Standard atomic weightRelated: Mass spectrometry made isotope-specific masses and natural isotopic mixtures measurable.Whole-number ruleRelated: His measurements showed why whole-number masses apply more neatly to individual isotopes than to elements as mixtures.