Videotaped oral history interview with Lincoln Endelman. A longtime researcher with the PerkinElmer Corporation, Endelman helped establish the national and international industry standards for motion pictures and television still in use today. For more than two decades, he worked closely with Kodak engineer Roland Zavada, who later authenticated the Abraham Zapruder film and other assassination photographic evidence. Interview conducted at Endelman's retirement home in Carrollton, Texas on July 16, 2015 by Stephen Fagin. The interview is forty-two minutes long.