In 1925 he had been appointed as an instructor in mathematics at Columbia University,and he spend two years there before being appointed to Harvard as an instructor in 1927.
In 1925 he had been appointed as an instructor in mathematics at Columbia University,and he spend two years there before being appointed to Harvard as an instructor in 1927.
user
У 1925 році він був призначений як викладач математики в Колумбійському університеті, і він витрачає два роки до призначення в Гарвард в якості інструктора у 1927 році.
assistant