“The history of isotopes fittingly commences with the discovery of radio-thorium, a new product in the thorium disintegration series, by Sir William Ramsay and Otto Hahn in 1905...”
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“The history of isotopes fittingly commences with the discovery of radio-thorium, a new product in the thorium disintegration series, by Sir William Ramsay and Otto Hahn in 1905...”
Captured 2026-08-17 from Wikiquote (en). The archived copy is preserved so this citation survives link rot.