Charles H. Papas

Charles Herach Papas (March 29, 1918 – July 8, 2007) was an American applied physicist and electrical engineer, known for his contributions to electromagnetic theory, microwaves, radiophysics, gravitational electromagnetics, astrophysics, guided waves, and remote sensing.

His book ''Theory of Electromagnetic Wave Propagation'' is a recognized classic on electromagnetic theory. Provided by Wikipedia