Keith Johnson (Ph.D., The Ohio State University) has taught at the University of Alabama at Birmingham, UCLA, Indiana University, and the University of Illinois. He has published papers in the Journal of the Acoustic Society of America, the Journal of Phonetics, and Phonetica, among others. He teaches in the Linguistics Department at The Ohio State University.
John Mullennix (Ph.D., SUNY Buffalo) has published research on speech processing and word recognition in, among other journals, Contemporary Psychology, Memory and Cognition, and the Journal of the Acoustic Society of America. He teaches in the Psychology Department at Wayne State University, and his home page is http://www.science/wayne/edu/~jmulleni.