Berthold Schwarz Berthold Schwarz Berthold Schwarz (sometimes spelled Schwartz), also known as Berthold the Black and "der Schwartzer", was a legendary German (or in some accounts Danish or Greek) alchemist of the late 14th century, credited with the invention of gunpowder by 15th- through 19th-century European literature. The purported period of Schwarz' activity (late 14th century) thus falls between the first reports of gunpowder in Europe (late 13th century) and the development of effective applications in artillery (mid 15th century). It is unclear whether Schwarz is a historical person. It has been suggested that he was a historical alchemist who had developed
Meier Schwarz Natural Sciences Department of Teacher Education at the Jerusalem College and the Jerusalem College of Technology. He also served as President of The International Society of Religious Researchers. Since 1988, as the Director of the Synagogue Memorial and Beit Ashkenaz organizations in Jerusalem, Schwarz has led a project to publish memorial books for the former synagogues of Germany and Austria, and the Jewish communities who built them. He works with international partners and universities in this capacity. Eight memorial books have been published thus far. Schwarz is a representative of CENTRA, the organization of Jewish-German immigrants to Israel who arrived