Dr. Devinder Pal Singh is a teacher-researcher with over 35 years of experience teaching Physics at the college and university levels. In addition, he is a profound scholar of Sikhism. In Sikh theology, he has published three books, two booklets, 300 articles, 15 book reviews, and seven chapters in edited books. He is also a Member of the Editorial Advisory Board of the research journal -The Sikh Review, Kolkata, WB, India. Currently, he is the Director of the Center for Understanding Sikhism, Mississauga, ON, Canada. He is reachable via the links below.