Andrey Nikolaevich Kolmogorov (19031987)

Alternative spellings: Kolmogoroff, Kolmogorow
 Lorentz, G. G., Superpositions, metric entropy, complexity of
functions, widths, Bull. London Math. Soc. 22 (1990), 6471.
This is one of the articles within a series dedicated to the
work of Andrei Nikolaevich Kolmogorov which appeared in Bull. London
Math. Soc. 22 (1990), 31100.
 Tikhomirov, V. M., A. N. Kolmogorov and approximation theory, (in
Russian) Uspekhi Mat. Nauk 44 (1989), 83122, translation in
Russian Math. Surveys 44 (1989), 101152.