Twenty-eight new appointments to the teaching staff for the next academic year were announced Saturday, as follows:

Thomas L. Shipman, Marblehead, lecturer on Industrial Hygiene; Charles F. Wilinsky, Boston, Baltimore '04, lecturer on Public Health Administration; Richard F. Clippinger, Vineland, New Jersey, instructor and tutor in Mathematics; Arnold D. Hestenes, Madison, Wisconsin '36, instructor and tutor in Mathematics;

Douglas T. McClay, Mattapan '36, instructor and tutor in Mathematics; Abraham Spitzbart, Cambridge, instructor and tutor in Mathematics; Robert W. White, Cambridge, instructor in Psychology; Frederick C. Copeland, Brunswick, Maine, Williams College '35, assistant in Biology; Arthur H. Bernstone, Boulder, Colorado, Colorado '36, assistant in Psychology;

Charles W. Huntley, Schenectady, New York, assistant in Psychology; Donald V. McGranahan '35, Malden, assistant in Psychology; Fillmore H. Sanford, Luray, Virginia, assistant in Psychology; Wondell H. Bash, Dos Moines, Iowa, Drake '35, assistant and tutor in Sociology;

Dudley Kirk, Claremont, California, Fletcher School of Law and Diplomacy '35, assistant and tutor in Sociology; Logan Wilson, Huntsville, Texas, Texas '27, assistant and tutor in Sociology; Alexander R. Troiano '31, Boston, assistant in Metallurgy; Jack E. McKee, Knoxville, Tennessee, Carnegie Tech '36, assistant in Sanitary Engineering;

Robert D. Mitchell, Brookings, South Dakota, South Dakota State '32, assistant in Sanitary Engineering; Roy M. Seideman, Long Island City, New York, Long Island '36, assistant in Vital Statistics; Howard A. Potter Jr., Cambridge, instructor in Chemistry; William W. A. Johnson '36, Cambridge, assistant in Astronomy; William T. Pecora 2d, Newark, New Jersey, Princeton '33, assistant in Petrography;

William M. Bauer, Evanston, Illinois, assistant in Electrical Engineering; John H. Hollister, Atlanta, Georgia, assistant in Chemistry; Glen W. Kilmer, State College, Pennsylvania, Penn State '36, assistant in Chemistry; Louis Long Jr., Cambridge, assistant in Chemistry; Richard W. Nebel, Parlin, New Jersey, Princeton '36, assistant in Chemistry; and Oliver H. Lowry, Chicago, Northwestern '32, instructor and tutor in Biochemical Sciences.