In 1950 he began work as the legal advisor of the Kaiser-Fraizier Factory in Haifa , becoming Director General by the time he left in 1954 . In 1951 he joined the General Zionists and became chairman of the party 's Tel Aviv branch in 1964 . In 1974 he became chairman of the party 's national secretariat , and in 1977 elections was voted into the Knesset on the list of Likud ( of which the General Zionists had become a faction ) . After being re-elected in 1981 he was appointed Minister of Energy and Infrastructure in Menachem Begin 's government . However , he resigned from the post on 30 September 1982 due to the government 's attitude towards the Kahan Commission , which was investigating the Sabra and Shatila massacre
Sabra and Shatila massacre
Sabra and Shatila massacre
Yitzhak Berman