Carl Pulfrich

Carl Pulfrich was a German physicist known for his contributions to the fields of optics and visual perception. He is particularly recognized for the "Pulfrich effect," which is an optical phenomenon that demonstrates the ability of the human brain to perceive depth from differences in timing between the signals received by the eyes. This effect occurs when an object moves in a certain way relative to the observer, creating a depth perception that may not accurately represent the object's actual distance.