The original post: /r/todayilearned by /u/zhuquanzhong on 2024-05-11 19:28:47.

Original Title: TIL in the Siege of Leningrad, Nobel laureate economist and mathematician Leonid Kantorovich calculated an optimal distance between cars on the Road of Life based on temperature and ice thickness to ensure they didn’t sink into Lake Ladoga. He walked between cars on the lake to ensure they complied.