37 Years And Halfway Through Encyclopaedia Iranica

In 1974, Columbia University Professor Ehsan Yarshater began a comprehensive encyclopedia of Iranian history. Now, he's 91 years old and at the letter 'K.' Guest host Jacki Lyden discusses the project's scope and significance with Yarshater and contributor Ahmad Karimi-Hakkak, director of the Roshan Center for Persian Studies at the University of Maryland.