Nobel Laureate Baruch Blumberg, M.D., Ph.D., died April 5, 2011, while attending a conference in California. An obituary in the New York Times can be found here.

P&S Journal profiled Dr. Blumberg twice over the past two decades, most recently in the Fall 2002 issue (read PDF here). The profile from the Winter 1996 issue can be found here.