Sandra Faber is University Professor of Astronomy at the University of California, Santa Cruz.
Neighboring Lancaster has increased its population since the early 1980s to around 3 times its former level. Major retail has followed the population influx, centered around Palmdale's Antelope Valley Mall. The Antelope Valley is home to over 475,000, and is expected to reach 1,000,000 people by the year 2020.
The Los Angeles County Department of Health Services has the Antelope Valley Area Health Office and the San Fernando Valley Area Health Office in a facility in North Hollywood. The department operates the North Hollywood Health Center in North Hollywood.