Miroslav Marcovich taught at a number of universities, most recently that of Illinois in Urbana-Champaign. He has authored some twenty books and more than three hundred scholarly articles. In the last two decades of his life he prepared major critical editions of several patristic authors.

"...a book which must impress with its erudition and acuity and above all its sheer intellectual energy." – J. Gwyn Griffiths, in: The Classical Review, 1990"Here is philological-historical scholarship at its best." – Birger A. Pearson, in: Religious Studies Review, 1990