Who actually found three types of cones in the retina?
A) Young and Helmholtz
B) Hering
C) Wald and Brown
D) Smith and Wesson

Question

Quizplus · Accepted Answer

Wald and Brown were the ones who discovered three types of cones in the retina using microspectrophotometry. Young and Helmholtz developed the trichromatic theory of color vision, while Hering proposed the opponent-process theory. Smith and Wesson are known for their firearms, not for any contributions to vision science.

Who Actually Found Three Types of Cones in the Retina