Deno Geanakoplos

Deno John Geanakoplos (; August 11, 1916 – October 4, 2007) was an American scholar of Byzantine cultural and religious history and Italian Renaissance intellectual history and the Bradford Durfee Professor Emeritus of Byzantine History, Renaissance History, and Eastern Orthodox Church History at Yale University. He was the author of 13 books and over 100 articles and was considered one of the foremost Byzantine scholars in the world. He was the father of Yale economist John Geanakoplos. He was married to Effie Geanakoplos, a clinical social worker and instructor in psychiatry at the Yale Child Study Center, for 48 years. She predeceased him in 2001. His son John Geanakoplos is the James Tobin Professor of Economics at Yale University. His daughter Constance is a concert pianist in New York.

Awards and honors President, American Society of Church History Fellow, Medieval Academy of America Fellow, American Historical Association Fellow, Renaissance Society of America Guggenheim Fellowship Grant Fulbright Grant American Council of Learned Societies Grant First Orthodox lay person invited to attend the Vatican Council II in 1962 Gold Cross of the Order of George I in 1966