Shmuel was born on 7.9.1912 in Wroclaw, Poland (then Breslau, Germany), to Avraham and Freida née Baruch. After he completed his high school studies, he continued his studied in political economy and law and the University of Breslau, completing a law degree. While he was still a student, he joined Beitar in his city and was quite active in it. He was a member of the secretariat at the first global conference of Beitar, which took place in Danzig in April 1931. He also took a position on Beitar’s role: Shmuel believed that Beitar’s job was to train members of a future Jewish army. Inspired by these nationalist ideas, he made aliyah in 1934 in the Beitar-IZL illegal program Af al Pi. He was an instructor in the Beitar company in Rosh Pina. He also joined the IZL. When the shofar was blown at the Western Wall, Shmuel assisted the operation. He continued his studies, earning a doctorate in economics.
With the split in the IZL in 1940, he followed Yair, and he became a Lehi member and an intelligence supervisor. After he was under suspicion, he was arrested and detained in Mizra, Jerusalem and Acre. Because he knew seven languages and was an expert in English, he was a translator in Mizra, whenever the British authorities wanted to negotiate with Lehi leaders about putting an end to their war. Shmuel was part of the first group of 251 IZL and Lehi members sent to Africa on 19.10.1944. He was detained in Eritrea and Sudan until he was returned to 22.10.1945, due the efforts of his mother, in the conference for underground detainees.
In the War of Independence, he enlisted in the IDF and was an intelligence officer throughout the war. On 16.9.1954, Shmuel married Ruth Mann and they had two sons, Yair Michael and Boaz Avraham. For a time, he worked at Barclays Bank in Haifa. Later, he joined the Poalei Eretz Israel Party. After his demobilization, he was appointed to deal with abandoned property in the north of the country. As an Arabic speaker, he maintained good relations with minorities in Israel. He was involved in public life, as a lecturer in the Public Relations Directorate, and he was in the management of the Amidar company. In 1966, he was appointed as a consultant for government construction in Taiwan, under the auspices of the U.N.
Shmuel passed away on 8 Tishrei 5730 (20.9.1969). He was buried in the old cemetery in Haifa.