Abstract
Kyoto University Radiation Biology Center was founded in 1976 as a national cooperative research institute. Department of Radiation System Biology and Administration Division were established in this foundation. Department of Mutagenesis was established in 1978, Department of Late Effect Studies was established and Department of Genome Dynamics was established. So far, Radiaion Biology Center has been promoted the research of radiation biology with cooperative research. The committee of cooperative researcher plays an important role for their promotion.