Benefactor of California College's New Science Center Shrouded in Anonymity.

Byline: Sonia Krishnan

Sep. 26--MORAGA, Calif.--Forget the Six Million Dollar Man. St. Mary's college has a $45 million angel -- only he wants his good deed to go unnoticed.

The school's secret sugar daddy showed up three years ago with a blank check and an intense desire for anonymity.

The result is a $45 million snazzy new science center that has it all -- a beautiful Spanish- mission design, modern interior and technology that would put most university labs to shame.

"I call him our angel from heaven," said John Correia, a chemistry professor who has taught at the college for 39 years.

Yet precious little is known about the mysterious benefactor of the J.C. Gatehouse science hall. Getting details from the faculty is like squeezing intelligence secrets out of the CIA.

Those who have met him will say only this: He is a Contra Costa resident, he is not …