(From left) Dongming Wang, Wen-tsün Wu, Heisuke Hironaka, Testuo Ida, and Masahiko Sato in a conference room of the New Main Building at Beihang University
Arjeh Cohen visiting Beihang University and delivering an invited talk

Testuo Ida at Beihang University, chairing an international conference
Deepak Kapur visiting Beihang University and delivering an invited talk