[AvivaSimplex]

I think if you did a random telephone survey of 500 people, "I don't know" would win most of the categories.

My answers
Genetics - Collectively, Watson, Crick, & Franklin
Neuroscience - Ramon y Cajal
Infectious diseases - Pasteur
Biology - Darwin
Physics - Einstein
Chemistry - Mendeleyev
Math - Gauss
[Psychology - Skinner]

Public's #1 answers
Genetics - "I don't know"
Neuroscience - "I don't know"
Infectious disease - "I don't know"
Biology - "I don't know"
Physics - Einstein
Chemistry - "I don't know"
Mathematics - "I don't know"
Psychology - Freud