Tetsuji Oda is associate professor at Tokyo University of Science where he teaches English as a foreign language and the history of English, and was associate researcher at Westfälische Wilhems-Universität Münster (2009-2010). His principal area of research is sound symbolism used in Old English alliterative poetry. After studying at the University of London (Mphil) he received his PhD from Sophia University in 2000.
Hiroyuki Eto is associate professor of English and linguistics at Tohoku University. His principal research interests lie in the areas of the intellectual history of linguistics, philosophy of language, and English-language teaching as liberal arts education. He received his PhD in Germanic philology from Georgetown University in 2000 and his DLitt in English philology from Sophia University in 2002.