Erwin Schrödinger developed the quantum model of the atom. What scientific knowledge was necessary for Schrödinger's work?

A the discovery of the electron

B the discovery of gamma rays

C the invention of computers for complex calculations

D the invention of microscopes for seeing subatomic particles

I think the correct answer from the choices listed above is option A. The scientific knowledge that was necessary for Schrödinger’s work would be the discovery of the electron. n order for Schrodinger to develop the quantum model of the atom he needed to be familiar with the works of Neil Bohr and his atomic model.