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Rudolf Heidenhain

Physiologist; revived the secretion theory in 1874 contested

Dates: 1834-1897 (source: historyofmedicine.com (Garrison-Morton derived) entry on Rudolf Heidenhain, Versuche über den Vorgang der Harnabsonderung, 1874 )
Chapters: V. What the Water Knew

Contested

Which dye he used: most accounts name indigo carmine; one encyclopaedia article names methylene blue.

Sources

Peña Rodríguez 2018, Acta Med Grupo Angeles 16(S1):S7-S15 (history of renal physiology) Secondary
Wikipedia: Bowman-Heidenhain hypothesis (listed in research/02 §11) Secondary

What the film says

Not named in the narration: the dye experiments in animals that 'seemed to favour secretion' are his.

Watch 23:55 in the film V. What the Water Knew

On the timeline

1874: Rudolf Heidenhain's dye experiments revive the secretion theory. timeline
1883: Heidenhain concludes that secretion by the proximal tubule is the main process (one source's dating). probable timeline

Sources

Sources

historyofmedicine.com (Garrison-Morton derived) entry on Rudolf Heidenhain, Versuche über den Vorgang der Harnabsonderung, 1874 Secondary
Peña Rodríguez 2018, Acta Med Grupo Angeles 16(S1):S7-S15 (history of renal physiology) Secondary