Lecturer on Celtic Languages and Literatures and course instructor for Celtic 107 Early Irish History, Fall 2009, 2007, 2003, and 2001. PhD 1970, Harvard University, MA 1969, Harvard Extension, and BA 1966, Harvard Extension. Visiting Faculty, Boston College Irish Studies Program, Spring 2006 and Fall 2004; Visiting Senior scholar, Univ. of Coleraine, 2005; Course instructor, Harvard Summer School, 2002; Course instructor, Celtic Myth in Literature (1974-5) and Celtic Literature in Translation (1971-2), Harvard Extension School; Chairman, Department of English, Berklee College of Music, Boston, (1970-73). Teaching Assistant to Professor John V. Kelleher in Irish History, Modern Irish Literature, and Yeats & Joyce, Harvard Extension (1969-77).

   His graduate research into the placenames of the Táin Bó Cúailnge made possible the maps in Thomas Kinsella's 1970 translation, The Táin; his dissertation, "The Topography of the Táin Bó Cúailnge" (Harvard 1970) has circulated widely in microfiche and continues to be the acknowledged authority on the subject. It is currently being readied for publication along with five papers recently read before the Harvard Celtic Colloquium, the California Celtic Conference, and the 2003 International Celtic Congress, held in Aberystwyth, Wales.