Harald Bohr

Harald August Bohr (22 April 1887 – 22 January 1951) was a Danish mathematician and footballer. 
Works.
After receiving his doctorate in 1910, Bohr became a mathematician. He founded the field of almost periodic functions. 
Family.
His brother was the Nobel Prize-winning physicist Niels Bohr.
Sports career.
He was a member of the Danish national football team for the 1908 Summer Olympics. He won a silver medal at there.