Sigmund Selberg
Sigmund Selberg was a Norwegian mathematician. He was born in Langesund as the son of Ole [Michael Ludvigsen Selberg] and Anna Kristina Brigtsdatter Skeie. He was twin brother of Arne Selberg and brother of Henrik Selberg and Atle Selberg. He was appointed professor of mathematics at the Norwegian [Institute of Technology] in Trondheim from 1947 to 1977. His works mainly focused on the distribution of prime numbers.