Otto Weininger was born on 03 April 1880. He was Austrian national and known as Philosopher, Writer, Psychologist.
Otto Wichterle was born on 27 October 1913. He was Czech national and known as Chemist.
Otto Wilhelm von Struve was a 19th century Russian astronomer who pioneered the study of double stars. This biography gives detailed information about his childhood, life, works and timeline
Otto Wille Kuusinen was born on 04 October 1881. He was Finnish national and known as Politician.
Ottokar Czernin was born on 26 September 1872. He was Austrian national and known as Diplomat.
Ottokar Czernin was born on 26 September 1872. He was Czech national and known as Diplomat.
Ottokar Czernin was born on 26 September 1872. He was Hungarian national and known as Diplomat.
Ottokar I Of Bohemia was born on 1155 AD. He was Czech national and known as King of Bohemia.
Ottokar II Of Bohemia was born on 1233 AD. He was Austrian national and known as King.