Dr. Moshe Sena (Kleinbaum) was a rising star in the sky of Polish Jewry in the 1930s. As a 23-year-old medical student, he was elected chairman of the Zionist Organization of Polish Jews. Shortly after his arrival in Israel in 1940, he was appointed head of the national headquarters of the "Haganah". Sena was considered the country's defense minister on the way and the possible successor of David Ben-Gurion, but in 1946 a conceptual rift between the two was revealed. Sena formulated a pro-Soviet orientation for the Zionist movement and was one of the founders of the United Workers' Party (MPF), which was then the largest and main left-wing party in Israel. The left turn in his views led him to split from MPF and join the Israeli Communist Party (MKI) in 1954, and he We will be the most prominent of its Jewish leaders. These moves condemned him to isolation and disconnection from most of his supporters and admirers in the past. In 1965, against the background of the worsening of the pro-Arab policy of the Soviet Union, he led to a split in the Communist Party into an Arab faction (RAKH) and a Jewish faction (MKI). After his death in 1972, Sena led MKI in a patriotic-Israeli spirit, and defended Israel against its attackers from the left in the international arena. Moshe Sena returned to the center of national consensus in Israel and enjoyed broad national sympathy. Many in the country had difficulty explaining the "Sena Riddle", his path from the heart of the Zionist leadership of the Yishuv to the left and back. In his book My Years with Father, his son, Ephraim, solves the riddle of the revolutionaries in his father's way. Dr. Ephraim Senna served the State of Israel for four decades as a military man, statesman and doctor. He did his regular service in Nahal. After qualifying as a doctor, he returned to the IDF where he initially served as a battalion doctor in the paratroopers. In the Yom Kippur War, he commanded a medical unit of the paratrooper brigade at the "Chinese Farm" battle and in the battles across the Suez Canal. He later served as the medical officer of the paratrooper and infantry formation, and the medical officer of a command the north Commanded the medical teams in the rescue operation in Entebbe. He united the combat rescue unit with the medical evacuation unit in Hits and commanded the unified 669 unit. Commanded the Security Zone in South Lebanon and the Civil Administration in Judea and Samaria in 1988, after his release from the IDF, entered political life. He managed the first secret negotiations with the PLO. He was elected to the Knesset on behalf of the Labor Party in 1992 and served in it until 2008. He served Minister of Health in the government of Yitzhak Rabin, and Minister of Transportation in the government of Ariel Sharon, and twice as Deputy Minister of Defense. Retired from political life in 2009. With his daughter, he founded the company "Silver Bolt", which encourages the export of innovative Israeli technologies. On a voluntary basis, he heads the Center for Strategic Dialogue at the Netanya Academy.