Haryanto Mangaratua Siahaan, was born in Padang Panjang on September, 29 - 1984. Completing bachelor's and master's level education at the Institut Teknologi Bandung (ITB) majoring in Physics.

Work experiences:

• Junior high school physics teacher in St. Aloysius - Bandung (2006-2010).
• Outstanding lecturer at the Institut Teknologi Harapan Nation - Bandung (2008).
• Lecturer of physics at the University of Parahyangan - Bandung (2010-present).

Seminars / Conferences (as speaker) in:

• Asian Physics Symposium 2007, ITB - Bandung.
• International Conference on Mathematics and Science 2008, ITB - Bandung.
• Theoretical Physics Conference 2009, ITB - Bandung.
• Conference on theoretical Physics and Nonlinear Phenomena 2010, the UI - Depok.

Publication of Scientific Work:

• H.M. Siahaan and Triyanta, "On the Napsuciale-Kirchbach Formalism for Spin 3 / 2 Field Theory", Indonesian Journal of Physics, Vol. No. 19. 2 (2008).
• H.M. Siahaan and Triyanta, "Semiclassical Methods for Hawking Radiation from a Vaidya Black Hole", International Journal of Modern Physics A25 (2010) 145-153.
• H.M. Siahaan, "On Non-Relativistic QQ Potential via the Wilson Loop in Galilean Space-Time", submitted to Modern Physics Letters A (2011).