Fanny Angelina Hesse: the woman who changed microbiology with a kitchen jelly
No one imagined that a domestic ingredient could resolve a foundational problem. Fanny Angelina Hesse’s suggestion to replace gelatin with agar, changed the course of microbiology
· 9/15/2026, 1:42:30 PM· 2 min read

No one imagined that a domestic ingredient could resolve a foundational problem. Fanny Angelina Hesse’s suggestion to replace gelatin with agar, changed the course of microbiology
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