American lithographer; son of Emanuel M., ḥazan, lecturer, and lithographer; born at Naumburg, near Cassel, Hesse-Nassau, Sept. 27, 1826. He was educated at the Academy of Fine Arts, Cassel, and at Städel's Institute, Frankfort-on-the-Main, and studied under Prof. M. Oppenheim of the latter place. Bien came to New York, established a lithographic business there in 1850, and was successful in scientific production, issuing many geographical and scientific works, such as atlases and geological and hydrographic charts. He received medals and diplomas at various exhibitions: Philadelphia, 1876; Paris, 1878; Chicago, 1893; and Paris, 1900. He was president of the National Lithographers' Association from 1886 to 1896, and is a member of numerous scientific societies. Bien was president of the order B'NAI B'RITH (1854-57 and 1868-1900), and instrumental in giving it an international character.