Quantum theory was developed
A) almost in its entirety by Max Planck.
B) by Planck, Schroedinger, Einstein, and many other scientists.
C) almost in its entirety by Albert Einstein.
D) in its entirety by Planck, Schroedinger, and Einstein.
E) almost in its entirety by Erwin Schroedinger.

Question

Quizplus · Accepted Answer

Quantum theory was developed through the contributions of many scientists, including Max Planck, who introduced the concept of quantization, Albert Einstein, who explained the photoelectric effect, and Erwin Schrödinger, who developed wave mechanics, among others.

Quantum Theory Was Developed