Complex sentence: Subitzky has a life-long interest in science and philosophy, and he is especially fascinated by the very challenging "hard problem" of consciousness, i.e. why there is a subjective component to experience.
Split into simpler sentences: Subitzky has a life-long interest in science and philosophy. He is especially fascinated by the very challenging "hard problem" of consciousness, i.e. why there is a subjective component to experience.