History of science

Salve from the soil
Streptomycin saved countless lives, but its October 1943 discovery by a PhD student at Rutgers was mired in a bitter battle.
Strokes of life
A German illustrator and naturalist laid the foundation for modern entomology.
Sky full of stars
Tycho Brahe spotted celestial bodies before the advent of telescopes.
Scalpels and sketches
Spanish anatomist Santiago Ramón y Cajal made fundamental discoveries in neuroscience.
End of an epoch
Remembering the nation-building contributions of three Indian science patriarchs.