Biography
Yuzhe Zhang, Chinese astronomer (Minhou, Fujian Province 16 February 1902 – Nankin 21 July 1986)
Determinated rotation periods of minor planets
Discovered about 1000 asteroids with his assistants such as 3789 Zhongguo (1928), 2051 Chang
Discovered three comets: 60 P/Tsuchinshan, 62 P/Tsuchinshan and C/1977V1
Discovered one lunar crater