William L. Peterson, 68, of Williamsport, was called home Thursday, Jan. 26, Born Feb. 27, , in Williamsport, he was a son of the late. William Petersen, Producer: CSI: Crime Scene Investigation. William Keep the Change (TV Movie) (producer - as William L. Petersen). Hard. WILLIAM L. PETERSON Portage, Indiana Dr. William L. Peterson, age 54, a lifelong resident of Portage, passed away on Tuesday, November 01, He was.