Leon Haft. Balance v1, n3 1955, 8 Herbert A Tessler, Leon Moed, Joseph DAmelio and William H. Liskman. Balance v1, n2 1955, 6 M. E. H. Rotival. Balance v1, n3 1955, 12 Hans Hoffmann. Balance v3, n4 1957, 13 Hans Hoffmann. Balance v3, n4 1957, 13 Paul Nelson. Balance v1, n2 1955, 14 Robert Hamilton. Balance v1, n3 1955, 11