Kenneth N. Stevens (March 24, 1924 – August 19, 2013) was the Clarence J. LeBel Professor of Electrical Engineering and Computer Science, and Professor of Health Sciences and Technology at the Research Laboratory of Electronics at MIT. Stevens was head of the Speech Communication Group[1] in MIT's Research Laboratory of Electronics (RLE), and was one of the world's leading scientists in acoustic phonetics. He was awarded the National Medal of Science from President Bill Clinton in 1999, and the IEEE James L. Flanagan Speech and Audio Processing Award in 2004. He died in 2013 from complications of Alzheimer's disease.[2]