The National Institutes of Health failed to protect brain scans that an international group of fringe researchers used to argue for the intellectual superiority of white people.
A soil scientist, he partnered with the United Nations and other organizations to bring productive agricultural practices to uncooperative terrain.
He accidentally created some of the first quantum dots, tiny semiconductors that now power many electronics.
Dr. Kirk Milhoan, a pediatric cardiologist who leads the Advisory Committee on Immunization Practices, said a person’s right to refuse a vaccine outweighed concerns about illness or death from infectious diseases.