Zachary David Alexander Efron was born October 18, 1987 in San Luis Obispo, California, to Starla Baskett, a secretary, and David Efron, an electrical engineer. He has a younger brother, Dylan. The surname "Efron", which is Hebrew and a Biblical place name, comes from Zac's Polish Jewish paternal grandfather. Zac was raised in Arroyo Grande, CA. He...