"Sanjiv Sam Gambhir, MD, PhD (born November 23, 1962) is an American physician-scientist. He is the Virginia and D.K. Ludwig Professor in Cancer Research, Chairman of the Department of Radiology at Stanford University School of Medicine, and a professor by courtesy in the departments of Bioengineering and Materials Science and Engineering at Stanford University."@en . . . . "Scientist" . "Gambhir, Sanjiv Sam"@en . . . . . . . "1962-11-23Z"^^ . . . "Sanjiv Sam Gambhir"@en . . . "1962Z"^^ . .