The evolution of white light using the 4UMs is quite interesting. The first attempt at describing white light using the luminic wave model was by Robert de Hilster who drew red, green, and blue lines representing waves that would make up white light.
The first conceptual drawing of white light using the luminic waves by Robert de Hilster looked something like this:

David then took this and translated it to individual waves of particles with differing wavelengths
David de Hilster translates Robert’s lines into more realistic waves, color coding them for reference.

Once David took the colors away, the final form of white light using the luminic model can be seen clearly for the first time.

David and Robert struggled to get a model for white light on which they both agreed. After working on this for a while, Dave came to his father, showed me the drawing above. When Robert saw it, he said: “That’s it!”