Frithiof Nevanlinna
Frithiof Nevanlinna (16 August 1894, Joensuu – 20 March 1977) was a Finnish mathematician who worked on classical and complex analysis. He was the older brother of Rolf Nevanlinna.
...
Wikipedia
Frithiof Nevanlinna (16 August 1894, Joensuu – 20 March 1977) was a Finnish mathematician who worked on classical and complex analysis. He was the older brother of Rolf Nevanlinna.