 One of his first challenges was to build the Technion's first oscilloscope, for which he claimed the beam swept right-to-left, in a nod to its Hebrew heritage.In addition to those two occupations, He worked for the Haganah as electronics expert-one of his tasks dealt with tapping the direct line between the British High Commissioner in Jerusalem and 10 Downing Street in London and building Descrambler device.During his time in Israel he read Erwin Schrödinger's "What Is Life?"