Breadcrumb Home News Congratulations to Cathy on her PhD defense! Tuesday, February 13, 2024 Image Gallery April 20, 2012Cathy Hass gave her Ph.D. seminar entitled: "Function of Replication Protein A in DNA Repair and Cell Checkpoints”. Cathy also successful defended her dissertation!! Congratulations Cathy!! Picture of Cathy and Marc after her seminar. Gallery