Mark Lester (Cheney, WA) is an experienced grammarian, ESL expert, and professor emeritus of Eastern Washington University. He was the founding chair of the ESL department at the University of Hawaii, which is now considered one of the best ESL programs in the United States. He is the author of more than a dozen books, including Grammar and Usage in the Classroom, one of the most widely used college grammar textbooks in the country.
Larry Beason (Mobile, AL) is an award-winning professor and director of the English composition program at the University of South Alabama. He has written numerous academic articles and given presentations on rhetoric, grammar, business communication, teaching, and the English language. Beaton is also the author of several grammar books.