Teaching at M. I. T. : Arrived in the Boston area in Summer 1951 and began in position of C. L. E. Moore Instructor in the mathematics department of m.
任教于麻省理工学院:1951年夏天来到波士顿,起初任麻省理工学院数学系c。
2
Determining the hemisphere is easy: latitude zones a, C, d, e, F, g, h, J, K, l, and m are in the Southern hemisphere, and the rest are in the Northern hemisphere.