Jeffery Williams, associate professor of neurosurgery and oncology and director of stereotactic radiosurgery at the Johns Hopkins School of Medicine, died while exercising May 25, 2002.

Jeffery was one of the world's foremost radiosurgeons, specializing in the precise delivery of radiation to brain tumors and vascular lesions while sparing the surrounding healthy brain. He was the only physician to be certified by the American boards of both neurological surgery and radiation oncology.

Jeffery received his MD from Johns Hopkins in 1977. He completed fellowships in nuclear medicine at Emory and Hopkins, as well as residencies in radiation oncology at St. Vincent's in NYC and Hopkins, and in neurosurgery at the U. of Oklahoma.

He wrote numerous scientific papers and held seven patents for brain tumor treatments. Among many awards, he received the Clinical Investigator Development Award from the National Institutes of Health and the Clinician Scientist Award from Hopkins. He was a founder and chairman of the medical advisory board for Proxima Therapeutics, Inc.

Jeffery was born in Vallejo, Calif. He is survived by his father, Marvin, a sister, Jan Kernan, a niece, and a nephew.

The Class of 1973