Erwin schrödinger developed the quantum model of the atom. what scientific knowledge was necessary for schrödinger’s work?

The scientific knowledge that was necessary for Schrodinger’s work is the Bohr’s model. Unlike the Bohr model, the quantum model does not define the exact path of an electron. The electron is likely to be in a less dense area of cloud.

i would say b

explanation:

but i think i would need more information than that