was incorporated into the Restatement (Second) of Contracts, but most jurisdictions have been loath to apply it except in cases involving general contractors relying on bids by subcontractors in competitive-bid contracts (similar to the facts in Drennan). Muskopf v. Corning Hospital District, 55 Cal. 2d 211 (1961) overturned the doctrine of sovereign immunity, although the Legislature promptly overrode Muskopf with the Tort Claims Act of 1963 as explained in Biggers v. Sacramento City Unified School District, 25 Cal. App. 3d 269 (1972) Bernkrant v. Fowler 55 Cal. 2d 588 (1961) the "moderate and restrained interpretation" doctrine for resolving conflict-of-laws problems Greenman v. Yuba Power Products, Inc., 59 Cal. 2d 57 (1963) true strict liability in tort for defective products (see product liability) which a 1996 panel of tort law experts subsequently ranked as the top development in tort law of the past 50 years. Vandermark v. Ford Motor Co., 61 Cal. 2d 256 (1964) extension of such strict liability from manufacturers to retailers and all others involved in the "overall producing and marketing enterprise that should bear the cost of injuries resulting from defective products," Pacific Gas & Elec. Co. v. G. W. Thomas Drayage Co., 69 Cal. 2d 33 (1968) the rule that extrinsic evidence of trade usage or custom is admissible where relevant to prove a meaning to which the language of a contract is reasonably susceptible, undermining the parol evidence rule Jones v. H. F. Ahmanson & Co., 1 Cal. 3d 93 (1969) the rule that majority shareholders of closely held corporations have a duty to not destroy the value of the shares held by minority shareholders Personal life On August 23, 1933, Traynor married Madeleine Emilie Lackman, a woman who shared his love of learning: she already held a M.A. in political science from UC Berkeley and would go on to earn a J.D. in 1956. They had three sons: Michael, Joseph, and Stephen. Michael followed his father into law; he attended Harvard Law School, became a partner with Cooley Godward Kronish LLP, and has served as president of The American Law Institute. See also US tort law US contract law List of justices of the Supreme Court of California Notes Photographs High-resolution portrait from Bancroft Library archives. California Digital Library, Calisphere. Further reading External links Roger J. Traynor. California Supreme Court Historical Society. Opinions authored by Roger J. Traynor. Courtlistener.com. Past & Present Justices. California