L. was born on 8 April 1889 in Siemiatycze, near Brisk, Lithuania.
Great grandson of a Modzhitser rabbi, he learned in a cheder with his father in the yeshiva of Novominsk (today Minsk Mazowiecki -- ed.), Lomza and in Rameyles class in Vilna. Afterwards he became a cultured person.

From the age of fifteen he became a part member and very often changed his party membership. He studied in Bern and Geneva. He was for a time a teacher in a folkshul.

Around 1918 he wrote his first children's songs in Yiddish, which he sang in the first Yiddish children's home in Poland. In 1920 he founded in Warsaw the publishing house "Di tseyt" in which he released several very important works, also including works from this young Yiddish writer.

Since 1924, he traveled, living in Paris, directing an illegal office(?) for Israel.

In the summer of 1939 he returned to Warsaw, appeared to have fled on foot during the outbreak of World War II, sick physically and mentally and broken after wandering over ten countries. He came in August 1942 to New York, where he lived a lonely life and in need. He issued eight volumes of "Ilustrirte yom-tov bleter" (1948-1951).