Pat Saperstein Deputy EditorWalter Coblenz, who was Oscar-nominated for producing “All the President’s Men” and also produced “The Candidate” and “The Onion Field,” died March 16. He was 93.Coblenz also produced the Emmy-nominated Joseph Wambaugh TV mini-series adaptation “The Blue Knight.”After serving as assistant director and production manager on Robert Redford’s “Downhill Racer,” he went on to work with Redford on “The Candidate” and “All the Presidents Men,” which racked up eight Oscar nominations and four wins.Coblenz served as Sr.
