Kenji Ikehara is a professor and director in Nara Study Center of the Open University of Japan. He is also a fellow of International Institute for Advanced Studies (IIAS) of Japan and an Emeritus Professor of Nara Women’s University. He graduated from Department of Industrial Chemistry, Faculty of Engineering, Kyoto University in 1968 and received his B. Eng (1968), and successively M. Eng. (1970) and D. Eng. (1976) degrees from Kyoto University. He engaged in studies on Sporulation Initiation of Bacillus subtilis and on the origins and evolutional processes of microbial genes, the genetic code, and proteins during around 30 years in Nara Women’s University. Consequently, he has proposed GC-NSF(a) hypothesis on the origin of Genes, GNC-SNS hypothesis on the genetic code, protein 0th-order structure hypothesis on proteins and [GADV]-protein world hypothesis on the origin of life.