Efraim was born in Israel, May 1928 to  Shoshana and Dov Yisaschar. His family was religious and made Aliyah in the early twenties, from Lodz Poland. They lived in Tel-Aviv’s Nordiya neighbourhood as of 1923, according to his grandfather’s identification paper. Efraim’s father owned a store, and his mother was a housewife, and assisted in the store. Efraim’s sister Shifra was a  Hagannah member and brother Shmuel, an Etzel member. Efraim graduated from Bilu School 1942, then studied at a religious high school. As a boy he joined Lehi, was active in the Youth Department and pasted up info-bulletins among other activities. After establishment of the State in May 1948, he joined the IDF. He served in the 8^th Brigade, the 89^th Battalion’s Service Battalion, where he instructed the use of  medium-range machineguns. He was discharged 1950.  Efraim married Henya nee Pearlmutter in 1963, a teacher, born at Rio de Janeiro, Brazil. The couple have a son and daughter plus two grandchildren. For many years he worked as a computer equipment salesman, and created friendly relations with his business associates.

He was honest and modest, loved by family and friends, reliable, easygoing  and a peace-maker. He always tried to find the middle path in situations, without giving up his principles. He loved helping out at every occasion. He was active in the “Beit-El” Synagogue Holon, with the “Chazon” Circle.

Efraim passed away on July 31,1992 and was buried in Holon.