Nancy H. Hornberger is Professor of Education and Director of Educational Linguistics at the Graduate School of Education, University of Pennsylvania. Her interests include language planning and policy; bilingualism, bilingual education and biliteracy; and the ethnography of communication. Angela Creese is professor in Educational Linguistics at the University of Birmingham. Peter Martin, a leading authority on Asian languages and multilingual education, passed away in 2009.
John MacArthur is the pastor-teacher of Grace Community Church in Sun Valley, California, president of the Master's College and Seminary, and featured teacher with the Grace to You media ministry. In more than four decades of ministry, John has written dozens of bestselling books, including The MacArthur Study Bible, The Gospel According to Jesus, and Slave. He and his wife, Patricia, have four married children and fifteen grandchildren.fm.author_biographical_note