David Hawkins, distinguished professor emeritus of philosophy at the University of Colorado at Boulder and the official historian of the Manhattan Project, died Sunday at the age of 88. A memorial service will be held at 10:30 a.m. on Saturday, March 2, in Old Main Chapel on the CU-Boulder campus. "A giant hole has been created in all of our lives by his passing," said James Scarritt, CU-Boulder political science professor.