a physics professor at the physics department, UGM., has taken the master's program in Theoretical Physics at the Department of Physics, Institut Teknologi Bandung, Indonesia (1996–1999) under Prof. Freddy Permana Zen, D.Sc. In addition, the author took the Master of Engineering (2000–2002) and Doctor of Engineering (2002–2005) programs in Applied Physics in the Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, Japan, under the guidance of Prof. Dr. Shoichi Kai. In 2006, the author was awarded the Glenn H Brown Prize from The International Liquid Crystal Society (ILCS).