Taek Lyul Song received  the B.S. degree in nuclear engineering from Seoul National University, Seoul, South Korea in 1974, and the M.Sc. and Ph. D. degrees in aerospace engineering from the University of Texas at Austin in 1981 and 1983, respectively. From 1974 to 1995, he was with the Agency for Defense Development, where his major research topics included missile guidance and control, target tracking, and navigation system analysis. He was a professor with the Department of Electronic  Systems Engineering, Hanyang University from 1995 to 2017. His reserach interests include target tracking, guidance, navigation, control, and sensor information fusion. He is now a Profesor Emeritus of Hanyang University.