Robert B. Ingebretsen

In 1999, he received an Academy Award for his pioneering work in digital sound.  Ingebretsen and his mentor, Thomas Stockham, invented technology that translated analog sound into a digital format — a discovery that eventually led to the development of compact discs.
Source: Scientist Ingebretsen Dies of Heart Failure at 54 by Brandon Griggs Salt Lake Tribune, 07 Mar 2003