Natan Sharansky His wife had become religiously observant during his detention, but he did not follow her on this path. Due to his age and poor health, he was exempted from the standard mandatory three years' military service, but had to undergo three weeks of military training and do a stint in the Civil Guard. In 1988, he wrote "Fear No Evil", his memoirs of his time as a prisoner, and founded the Zionist Forum, an organization of Soviet immigrant Jewish activists dedicated to helping new Israelis and educating the public about integration issues, known in Israel as "klita" (lit. "absorption"). Sharansky
Natan Shalem Natan Shalem Natan Shalem (October 10, 1897 - 1959) was an Israeli geographer, geologist and researcher. Shalem was born in Thessaloniki to a traditional Jewish family. Growing up Shalem studied in various Jewish educational institutes. In 1914 Shalem immigrated to Ottoman Palestine. During the First World War Shalem began to teach in the moshava Sejera. In 1919 Shalem went to study geology in Florence where he obtained his doctorate in 1924. After getting his doctorate Shalem returned to Palestine and settled in Jerusalem, where he worked as a teacher for geography, chemistry and physics at the Gymnasia Rehavia. Within this