The use of agar as a more robust gelling agent in solid media was suggested by
A) Robert Koch.
B) Ignaz Semmelweis.
C) Angelina Hesse.
D) Louis Pasteur.
E) Richard Petri.

Question

Quizplus · Accepted Answer

Angelina Hesse, the wife of a microbiologist, suggested using agar as a gelling agent in solid media, which was later developed by her husband, Walther Hesse, and became widely adopted in microbiology. None of the other options mentioned agar specifically as a gelling agent.

The Use of Agar as a More Robust Gelling Agent