Fanny Hesse

Fanny Hesse (born Angelina Fanny Eilshemius, June 22, 1850 – December 1, 1934) is best known for her work in microbiology alongside her husband, Walther Hesse. Following her initial suggestion of using agar as an alternative to gelatin, they were instrumental in pioneering agar's usage as a common gelling agent for producing media capable of culturing microorganisms at high temperatures.