(English) Jeong Seonguk studied Chemistry Education at Seoul National University. Jeong has taught science at a middle school and planned and edited numerous books for a publishing agency. Books Jeong has written include Mr Clever Convergence Science: Play with Light, Scientific Principles in Daily Life and Here Comes the Joseon King.

(Indonesian) Ia pernah belajar Pendidikan Ilmu Kimia di Universitas Nasional Seoul. Ia pernah mengajar sains di Sekolah Menengah Pertama, dan juga bekerja sebagai perencana dan pengedit beberapa buku di sebuah perusahaan penerbitan.