E. M. Rickerson has a Ph.D from the University of California at Berkeley and is Director Emeritus of the award-winning language program at the College of Charleston (S.C.). Formerly a language program director in the U.S. government, he now consults on the development and improvement of language programs at the university level. In 2005 Dr. Rickerson created a radio series on languages ("Talkin' About Talk"), which was broadcast on public and college radio stations -- and on which The 5 Minute Linguist was based. Barry Hilton is a freelance writer/editor and independent scholar living in Maine. He was a member of the editorial board that reviewed the radio scripts on which The 5 Minute Linguist was based. He has travelled and lived in both Europe and Asia, making professional use of Vietnamese, Chinese, Japanese, French, and German in a variety of jobs. He describes himself as an "armchair philologist and recovering polyglot."