The Duke University emeritus professor was an expert in purine biosynthesis and the genetics of gout.

Robert Redfield would replace Brenda Fitzgerald, who resigned in January over unresolved conflicts of interest.

President Barack Obama has announced his intention to nominate former Purdue president France Cordova to lead the National Science Foundation.

Current NSF Deputy Director Cora Marrett will take over as acting director of the agency at the end of next week when Subra Suresh steps down.

A prolific cardiac research scientist, Bernadine Healy revolutionized the study and treatment of disease in women.