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
Karen Schwarz soy", again with Aguilar on Frecuencia Latina. Months later, she began to host the show "Espectáculos" on the same channel. Schwarz continued as co-hostess of "Yo Soy" on Frecuencia Latina in 2013. She was to debut as an actress in the 2014 film "Japy Ending". Schwarz is of German and Peruvian origin. She likes practicing swimming. Karen Schwarz Karen Susana Schwarz Espinoza (born 21 January 1984 in Callao, Peru) is a Peruvian actress, TV host and beauty pageant titleholder. She represented her country in Miss Universe 2009, held in Nassau, Bahamas on August 23, 2009. She was the co-host of