Education
Osnia was educated at a heder and a high school in Danzig (now Gdańsk), before studying at the University of Königsberg.
Osnia was educated at a heder and a high school in Danzig (now Gdańsk), before studying at the University of Königsberg.
Born in Pinsk in the Russian Empire (now in Belarus). In 1929 he became secretary of the central committee of the German branch of Poale Zion. In 1933 he made aliyah to Mandatory Palestine and taught in a kibbutz high school.
However, he entered the Knesset on 12 February 1951 as a replacement for Abba Hushi, who had resigned.
He retained his seat in the July 1951 elections, and was re-elected in 1955, 1959, 1961 and 1965, by which time Mapai had formed the Alignment alliance. He lost his seat in the 1969 elections.
He died in 1994.
He returned to Danzig to work as a lawyer, and was a member of Habonim.