Template:Are You Sure/April 11
From Gnomon Chronicles
... that physicist and academic Ukichiro Nakaya (4 July 1900 – 11 April 1962) contributed to glaciology and low-temperature sciences, and that Nakaya created the first artificial snowflakes?
... that physicist and academic Ukichiro Nakaya (4 July 1900 – 11 April 1962) contributed to glaciology and low-temperature sciences, and that Nakaya created the first artificial snowflakes?