Stephen Lagakos was a professor at Harvard University who worked on HIV research. On October 12, 2009, Lagakos was one of four people killed in a traffic accident in rural New Hampshire. According to reports, the 63-year-old Lagakos' SUV struck a car on Route 202 near Peterborough, New Hampshire, and burst into flames. Lagakos' wife, Regina Lagakos, and his mother, 94-year-old Helen Lagakos, also died in the crash.http://www.bostonherald.com/news/regional/view/20091013harvard_professor_dies_in_nh_crash/srvc=home&position=recent http://www.unionleader.com/article.aspx?headline=Peterborough+victims+include+Keene+exec%2C+Harvard+prof&articleId=f4cbf6d7-d87d-4dcd-b723-9d367f591499