"Hewlett" . . . . . . "The William and Flora Hewlett Foundation" . . . . "William and Flora Hewlett Foundation" . . . . . "Hewlett Foundation" . . . . "Hewlett MacArthur" . . . . . "Hewlett Foundation/IIE" . . . "The Hewlett Foundation" . . "Hewllett \u2013 Mellon Foundation" . "Hewlett Foundation" .