L. V. Kantorovich with D. K. Faddeev and I. P. Natanson, 1938
Kantorovich with two nearest friends and colleagues — Isidor Pavlovich Natanson (center) and Dmitry Konstantinovich Faddeev (right).

They together teached in the University and in several new-arranged institutes.

LV named thes photo as "three monkeys".
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