Chern and mathematicians
From left to right: Luís Santaló Sors,
Bojan Petkantschin,
Emanuel Sperner,
Ottó Varga, and
Shiing-Shen Chern. All but Varga were Ph.D. students of Blaschke at Hamburg.
Celebratio Mathematica
Shiing-Shen Chern
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