For a bit of background information about Rodriguez, click over to his “Off Camera” biography at the Online NewsHour site. You'll also find a photo there, as well as links to some of his essays.
Here's a biography from the Pacific News Service with another photo and some more links. Compare it to the one above. Why, do you think, the information presented differs in these two cases?
This interview with Rodriguez, which revolves around the metaphor of the Melting Pot, provides other glimpses of the author's life. It's from Insight and Outlook, and was conducted shortly after the publication of his book Days of Obligation.