Who is Victor Ostrovsky from By Way of Deception and what is their importance?

Victor Ostrovsky was a member of the Israeli navy. He was a captain in charge of the weapons system testing branch in Tel Aviv. He had been born in Edmonton, Alberta, Canada on November 28, 1949. His father had been a RCAF plot in World War II and then volunteered for the Israeli War of Independence. His parents separated but his mother, an Israeli, was active in the Hagana, the Israeli resistance. Victor and his mother moved to Canada and then returned to Israel to Holon, a city near Tel Aviv.