In 1935, after studying at the University of Bucuresti, then Hayim Baltsan settled in Mandatory Palestine, where he studied law at the Hebrew University in Jerusalem. Hayim Baltsan became the founder and editor-in-chief of thenews depart- ment of the HaBoker newspaper (Morning, 1935-1942), worked as a correspondent for the Haaretz (Land) newspaper in Turkey, Eastern and Central Europe. During the Second World War, Hayim Baltsan served in the British troops, in the guard of the US Embassies (1942-1943) and Great Britain (1934-1944) in Istanbul. He was the director of the organization for helping refugees HIAS (Jewish Association for Aid to Immigrants) in Turkey (1944-1945) and Czechoslovakia (1945-1948). After the formation of the State of Israel, he headed the Public Relations Department of the Ministry of Defense (since 1949). In 1970 he founded and headed (until 1973) the Faculty of Journalism of Tel Aviv University. In 1974, Hayim Baltsan co-founded the "Movement for Uniform Hebrew Spelling", drew up the "Proposal for the Reform of the Hebrew Spelling" and a number of extremely popular transliterated Hebrew- English, Anglo-Hebrew (since 1989), Russian-Hebrew, and Hebrew-Russian (since 1991) of dictionaries that have withstood many reprints both in Israel and in the USA. In 1950 Hayim Baltsan founded, together with a series of newspaper editors, the news agency Ati'm ('Israeli newspapers incorporated") and was director and editor.