Citation Codes Equivalent Citations citation codes See more information ... Smart Summary Please sign up to generate summary. JAMES J. WALKER et al., Plaintiffs, v. TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA et al., Defendants and Third-Party Plaintiffs-Respondents. ROSENWACH TANK Co., INC., Third-Party Defendant-Appellant. (And Other Actions.). Concur — Sullivan, J. P., Nardelli, Mazzarelli, Rubin and Andrias, JJ.