#8 Irwin and Joan JacobsAmount donated in 2013: $221.1 million
Net worth: $1.6 billion
Beneficiary: The Jacobs Technion-Cornell Innovation Institute at Cornell and NYC Tech, both in New York, N.Y., Jewish Community Foundation San Diego Donor Advised Fund, Dunaway Foundation in San Diego, Calif., and San Diego Public Library Foundation
Background: Irwin Jacobs co-founded wireless-communications company, Qualcomm.
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