Final answer:
In Aldous Huxley's 'Brave New World,' The Director is the character who escorts student technicians through the hatchery, illustrating the novel's dystopian society.
Step-by-step explanation:
The character who escorts the student technicians through the hatchery in Aldous Huxley's novel Brave New World is The Director. The Director of Hatcheries and Conditioning is responsible for the operation of the hatchery and the orientation of new students. This role is central to the introduction of the dystopian world that Huxley has created, where human beings are bred and conditioned for their place in society.