Final answer:
Michael Faraday's contributions were pivotal in the field of Electromagnetism, laying the groundwork for Maxwell's equations and the discovery of electromagnetic waves.
Step-by-step explanation:
Faraday's work laid the foundation for James Clerk Maxwell to develop his theory, which combined electricity and magnetism into a comprehensive theory known as Maxwell's equations. These equations led to the prediction and subsequent discovery of electromagnetic waves, of which visible light is a part. Faraday's experiments and discoveries in electromagnetism were pivotal in our understanding of electromagnetic fields, which are essential in various technologies we use today.