Louis Pasteur (1848): Molecular "activity" (Chirality)
Sodium ammonium (para)tartrate crystals separated by hand
rotate polarized light
by ± 33° [α]
D
Tartrate
from wine
rotates polarized light by + 33° only (
Biot, 1832
)
Eligio Perucca (1919):
Sodium Chlorate and the science of chiro-optics
