by Milton Handler ... [et al.]. by Gorton James ... [et al.]. by Saadoon Kadir ... [et al.]. by Melvin Calvin ...[et al.]. by G. Vernon Hooker ... [et al.]. by Marcel Barrere ...[et al.]. by S.A.K. Palmer ... [et al.]. by Bruce Bendinger ... [et al.]. by Michael Barcelona ... [et al.]. by William Z. Foster ... [et al.].