Naut Humon is the adopted name of Mark Sprague. He is known as a founding member of the experimental music ensemble Rhythm & Noise, who released two albums through Ralph Records. Humon has also worked with avant-garde vocalist and composer Diamanda Galás, providing samples for her album You Must Be Certain of the Devil, as well as percussionist Z'EV. He serves on the Digital Musics jury of the Ars Electronica festival in Linz, Austria every year and is the founder of Recombinant Media Labs and was head of A&R for Asphodel Records, both based in San Francisco. He is featured in the 2001 documentary film Scratch.