In Greyhound, the plaintiff in a personal injury suit arising from a car accident sought written statements that had been obtained from witnesses by the defendant's insurance adjusters and investigators.
In West Pico Furniture Co. v. Superior Court (1961) 56 Cal.2d 407, 415 [ 15 Cal.Rptr. 119, 364 P.2d 295], this court, quoting Ryan v. Superior Court (1961) 186 Cal.App.2d 813, 816-817 [ 9 Cal.Rptr. 147], declared: "One of the prime purposes of the Discovery Act is to expedite the trial of the action.