Ekeino to kalokairi is a Greek version of the 1970 film written by whom?
Ekeino to kalokairi:  It was the Greek version of the successful 1970 American film "Love Story". Love Story (1970 film): Love Story is a 1970 American romantic drama film written by Erich Segal, who was also the author of the best-selling novel of the same name.
Erich Segal