births

Lu Jiaxi, Chinese self-taught mathematician (died 1983)

Lu Jiaxi (mathematician)

Chinese mathematician

Lu Jiaxi was a self-taught Chinese mathematician who made important contributions in combinatorial design theory. He was a high school physics teacher in a remote city and worked in his spare time on the problem of large sets of disjoint Steiner triple systems.
Source: Wikipedia (CC BY-SA)

June 10

Day of the year

June 10 is the 161st day of the year in the Gregorian calendar; 204 days remain until the end of the year.
Source: Wikipedia (CC BY-SA)