Summary:

- The article discusses the life and work of German physicist Max Planck, considered the father of quantum theory, and his contributions to the scientific understanding of the nature of light and energy.

- It explores Planck's groundbreaking work in developing the concept of "black-body radiation" and the idea of "quanta" or discrete packets of energy, which laid the foundation for the development of quantum mechanics.

- The article highlights Planck's personal struggles and the challenges he faced in gaining acceptance for his revolutionary ideas within the scientific community, as well as his resilience and dedication to advancing scientific knowledge.