Russian-American editor, author, and poet; born at Byelostok, Russia, April, 1861. He received his education in the Jewish schools of Berlin, Cracow, and in Byelostok and other cities of Russia, and conducted a Hebrew school in Suwalki, Russia. In 1888 he emigrated to the United States, and, settling in New York city, became joint editor of the "Jewish Daily News," "Jewish Gazette," and "Jewish World," which position he held until 1905. He has contributed to the leading Hebrew papers of the world, his writings being mainly in classical Hebrew. He edited and published "Ha-'Ibri" (The Hebrew), a weekly, from 1891 to 1898, and "Ḳadimah" (Forward), a monthly, from 1898 to 1902, both in New York city.
Rosenzweig is the author of "Masseket Ameriḳa" (1891), a satire which became and is still very popular, portions thereof having been translated and printed in the "Sun" and other leading New York papers. It is written in the style of the Talmud, and is considered a masterpiece of satire and humor. He has published also "Shirim u-Meshalim" (New York, 1893), a volume of poetry; "Ḥamishshah we-Alef" (ib. 1903; now being reprinted in Russia); 1,005 original epigrams and poems in Hebrew; and "Mi-Zimrat ha-Areẓ," American national songs translated into Hebrew and set to the original music.