WASHINGTON-President Clinton has named Phillip A. Sharp, PhD, of the Massachusetts Institute of Technology, to serve as chair of the National Cancer Advisory Board (NCAB). Dr. Sharp succeeds J. Michael Bishop, MD, of the University of California, San Francisco. The President has also named three new board members-James O. Armitage, MD, James Harold French, Jr., MD, and Arthur Wesley Nienhuis, MD. The 18-member board advises the President, the Secretary of Health and Human Services, and the director of the National Cancer Institute on the policies and activities of the NCI.