Born in
Dukla in the
Kingdom of Galicia and Lodomeria of
Austria-Hungary (today in
Poland), Bader's family moved to Germany during his youth. He studied in a
Gymnasium, before studying economics at the
University of Cologne. In 1920 the family
emigrated to Palestine. The year after immigrating Bader became a member of the
Haganah planning committee. A member of the
Histadrut trade union, and later its Actions Committee, he was amongst the founders of the
gar'in which established kibbutz
Mizra. He was also a member of
Hapoel Hatzair and
HaMerkaz HaHakla'i, and in 1930 joined
Hashomer Hatzair. He was amongst the founders of the
Solel Boneh construction company and was involved in developing industry in kibbutzim. He also served as a delegate to several Zionist congresses, and was a deputy member of the Zionist Actions Committee. During
World War II he served as an emissary of the
Yishuv's rescue committee. Following
independence in 1948 he worked as Director General of the Ministry of Labor and Construction. In 1949, he was elected to the
first Knesset on the
Mapam list, but lost his seat in the
1951 elections. Between 1955 and 1962 he worked as Director General of the
Ministry of Development. He died in 1985 at the age of 89. ==References==