D.L. Spellman ...[et al.] D.P.H. Hasselman ... [et al.]. Mark Kesselman ... [et al.] Ruth Wageman ...[et al. James P. Collman ...[et al.]. John Gottman ... [et al. Jan R. Williams ... et al. Edwin J. Elton ... [et al. Erik Dahlman ... [et al.]. Evan M. Berman ... [et al.