Currently alive, at 81 years of age.
1940 – Cahill was born in New York City of Irish-American parents.
– He received a Jesuit education, studying ancient Greek and Latin.
1964 – At Fordham University, he obtained a B.A. in classical literature and philosophy.
1965 – He finished pontifical degree in philosophy.
1968 – He received an M.F.A. in film and dramatic literature from Columbia University.
– Cahill has taught at Queens College, Fordham University, and Seton Hall University.
1996 – He authored the book "How The Irish Saved Civilization: The Untold Story of Ireland’s Heroic Role from the Fall of Rome to the Rise of Medieval Europe".
1999 – He wrote "The Gifts of the Jews: How a Tribe of Desert Nomads Changed the Way Everyone Thinks and Feels".
2001 – He wrote "Desire of the Everlasting Hills: The World Before and After Jesus".
2004 – He authored the book "Sailing the Wine Dark Sea: Why The Greeks Matter".
2006 – He wrote "Mysteries of the Middle Ages".