Mathew St. Patrick Mathew St. Patrick Mathew St. Patrick (Born March 17, 1968) is an American actor best known for his portrayal of Keith Charles on the HBO drama television series "Six Feet Under". Mathew was born and raised in Philadelphia, and was on the varsity track team of Olney High School, but graduated in 1986 from Scotland School for Veterans' Children in Scotland, Pennsylvania, the last remaining school for children of military veterans in the United States. After graduating from high school, he lived in New York and then for eight years in Chicago, where he worked as a delivery salesman for
Patrick S. Moore Institute. Chang and Moore jointly developed a new technique to find human tumor viruses called digital transcriptome subtraction (DTS). Using this approach, they identified the most recently discovered human polyomavirus infecting Merkel cells. This virus is the likely cause of Merkel-cell carcinoma and hence is named Merkel cell polyomavirus. Moore and Chang have discovered two of the seven known human viruses causing cancer. Patrick S. Moore Patrick S. Moore (born October 21, 1956) is an Irish and American virologist and epidemiologist who co-discovered together with his wife, Yuan Chang, two different human viruses causing the AIDS-related cancer Kaposi's sarcoma and