Eliezer was born November 1,1923 in Jerusalem. Father Dov Ben-Ami (Chassin), and  mother Rivka, emigrated from Ukraine  May 1923. The family settled in Rehovot, acquired a farm and orchard. Eliezer’s childhood was spent in Rehovot and Tel-Aviv. He studied at ‘Tel-Nordoi Elementary School’, ‘Montifiori’ High- School  and in 1958, the Haifa Technion,  Mechanical Engineering and Industry.  Eliezer was a member of Maccabi and Beitar. End 1939 he was recruited to Etzel.  He joined Lehi 1940, and served as contact person and in supplies storage. He underwent courses in weapons and explosives. At his parents’ farm he hid Lehi fugitives. His parents built an underground bunker under the farm’s dairy cows to house the Lehi clandestine press. In 1942  he worked in developing arms and was active in operations. In April  8, 1943 he was arrested during an operation and sentenced to six years. In Jerusalem Prison he became the living spirit behind escape operations. He became known for assembling  ‘Grenade Filled Oranges’ used by Moshe Barazani and Meir Feinstein, who blew themselves up three hours before their British-planned execution. He was released February 8,1948, and stayed active until joining the IDF May 31,1948. He was discharged September 1969  ranking Lieutenant-Colonel. Eliezer served in the 8th Brigade, the Engineering Corps and the Ordnance Corps, from dismantling bombshells to Commanding a Battalion. In 1951 he successfully finished an Engineer Corps Officers’ Course and was sent to study at the Technion. He was involved in developing and testing armaments. He  graduated Command and HQ School. Among his positions: instructor, sapper, Production Officer, Experimental Branch Head, 276 Battalion  Commander and  Head of the Atomic-Biological-Chemical Weapons Branch. On April 20,1948 he married Lehi comrade Drora Giladi Reznitsky, whom he’d met 1943. They had three children, Arnon, Doron and Ravit, and seven grandchildren: Roi, Guy, Adi, Nir, Yuval, Ori and Hadar.

After military service, he worked as  engineer, particularly Research/Developement and  machinery construction, his fields of expertise. In 1994 he retired. Following his wife’s passing 1992, he began painting and sculpting. He’s active in the Akko and Jerusalem Prisoners’ Association, in the Lehi Foundation and in lecturing.