 He had to abruptly interrupt his PhD studies at Harvard and return to Lebanon to take over the reins of the journal when his father died.After the sudden death of his father Gebran Tueni, Ghassan, just 22 at the time, returned to Lebanon to continue publishing "An Nahar".He became editor-in-chief and publisher of the paper from 1947 to 1999, and from 2003 until his death.