In-Jung Cho was born in Korea and earned the degrees of B.A. and M.A. in English linguistics from Korea University, and is preparing a Ph. D. thesis on child language acquisition at the same university. He is now part time lecturer and associate in the Department of Asian Languages and Studies at Monash Unversity, and works for Radio Australia in Melbourne.

Young-A Cho was born in Korea and earned degrees of B.A. in Korean education from Hong-Ik University and M.A. in Korean linguistics from Korea University. Her publications include several papers on Korean linguistics and Teaching Korean as a Second Language, and six books on learning for foreigners.