… [If] the fathers of quantum theory had used classical physics with the Zero Point Field, the scientific community would have been far more satisfied with the result than they were by the many unanswerables of quantum physics. There are those who believe quantum theory will one day be replaced by a modified classical theory which takes into account the Zero Point Field. The work of these scientists may take the word ‘quantum’ out of quantum physics and create a unified physics of the world, large and small.

~ P. W. Milonni, ‘Semi-classical and quantum electrodynamical approaches in nonrelativistic radiation theory’, Physics Reports, 1976; 25: 1 – 8.