PERSONNEL: Changes of the Week, Dec. 21, 1959

¶Logan Truax Johnston, 60, was elected president and chief executive officer of Armco Steel Corp., succeeding Ralph Larrabee Gray, 65, who will become chairman. Pittsburgh-born Logan Johnston started in the steel industry in 1925 as a salesman for Columbia Steel Co. of Butler, Pa., joined Armco in 1927 when Columbia was merged with it, has made a career selling steel. He was named Armco's general manager of sales in 1947, a vice president in 1952 and executive vice president in 1958. As president, Johnston is expected to press product variety, which has made Armco fourth in the industry in sales and profits although it ranks eighth in capacity. ¶John Clark Jr.. 44, will become president of Technicolor Inc., succeeding a company founder. Dr. (of Physics) Herbert T. Kalmus, 78, who is retiring from active participation after 45 years with Technicolor, manufacturer of most of the nation's color-movie prints. Indiana-born, Columbia-educated ('34) Clark joined Technicolor in 1936, served as assistant to Kalmus until being appointed executive vice president in 1955. ¶Russell C. Taylor, 55, was named president of ACF Industries, Inc., railroad-car maker, succeeding James F. Clark, 56, who becomes chairman of the executive committee. Along with ACF Chairman William T. Taylor (no kin), Russell Taylor and Clark will form a three-man top-management team on which all will share responsibility in setting company policy. Taylor is leaving the American Can Co., where he was an executive-department vice president and director, to join ACF.