K. R. Rao

Kamisetty Ramamohan Rao (19312021) was an Indian-American electrical engineer. He was a professor of Electrical Engineering at the University of Texas at Arlington (UT Arlington). Academically known as K. R. Rao, he is credited with the co-invention of discrete cosine transform (DCT), along with Nasir Ahmed and T. Natarajan due to their landmark publication, ''Discrete Cosine Transform''. Provided by Wikipedia