John Wyrick, Washington State University (IMAGE) Washington State University Caption John Wyrick, a Washington State University geneticist specializing in DNA repair, mapped the damage of ultraviolet radiation on individual units of DNA. Credit Washington State University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.