Tag Sydney Ringer
Alexis Frank Hartmann (1898-1964) 340

Alexis Frank Hartmann

Alexis Frank Hartmann (1898-1964) American pediatrician and clinical biochemist. Developed Lactated Ringer’s solution (Hartmann’s Solution)

Sydney Ringer

Sydney Ringer (1835-1910) British clinician, physiologist and pharmacologist. Ringer's 'discovery' of his solution (Ringer's solution) arose after his lab assistant mistakenly substituted tap water from the New River Water Co. for distilled water whilst experimenting on a frogs heart.