 Falkovitsh volunteered to join the Red Army and worked as a medical orderly during World War II, saving the lives of 88 wounded people in one battle and thus receiving the Order of Lenin.After the war, Falkovitsh was editor in chief of the Moscow Yiddish Publishing House Emes until it was liquidated in 1948.Starting from 1961, Falkovitsh helped shape a revised Yiddish orthography.