Final answer:
The concept of 'the demiurge' is primarily associated with the Platonists in Greco-Roman philosophy.
Step-by-step explanation:
The concept of 'the demiurge', or craftsman of the universe, is primarily associated with b) the Platonists in Greco-Roman philosophy. According to Plato, the demiurge is the divine being responsible for the creation of the physical world. In Plato's dialogue 'Timaeus', the demiurge is depicted as a benevolent deity who forms the universe based on eternal and non-physical forms.
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