Description: (Dutch Astronomer and Mathematician Who Predicted the Existence of the 21 CM 'Hyperfine Line' of 'Neutral Interstellar Hydrogen')
Hendrik C. van de Hulst was a Dutch mathematician and astronomer. He is credited with developing the anomalous diffraction theory. A respected astronomer, Hendrik played an important role in several international space research projects. Over the course of his career, he was honored with many prestigious awards like the Henry Draper Medal, Bruce Medal, Rumford Medal, and Eddington Medal.