St. Petersburg International Airport.
Professor Krugman and Albert were waiting for boarding to begin, and they looked very tired.
It had been a week since the International Congress of Mathematicians came to an end.
After the conference closing ceremony, the two did not immediately leave St. Petersburg.
After all, St. Petersburg was the famous "city of mathematics" in Eastern Europe. Some of the world's top mathematics research institutes, such as the Steklov Institute of Mathematics, were all located in this city.
These two professors visited these mathematics institutes in hope of recruiting like-minded scholars. The two even tried a few more times to recruit Perelman to join their great project.
However, ever since that 60-minute report at the ICM, Perelman had become an even stranger person.
Before this, he would patiently answer the two's questions, but now, he was reluctant to even let them into the apartment.
