Aristotle was more than a professional 🏷️#philosopher. He was politically active (traveling and advising Alexander the Great). He was an expert on a diverse array of subjects, including biology, metaphysics, agriculture, medicine, ethics, and botany. He was also a great teacher and writer, impressive skills on top of his already considerable genius.
The great Greek physician and surgeon Galen was a doctor with many fields of inquiry. He ended up influencing the development of many scientific disciplines — like anatomy, physiology, and neurology, just to name a few.
Expertise in one domain may help fuel excellence in another.