W\u00fcrttemberger emigrants to the United States

Karl Christian Friedrich Pfizer (German: [kaʁl ˈpfɪtsɐ]; March 22, 1824 – October 19, 1906), known as Charles Pfizer, was a German-American businessman and chemist who co-founded the Pfizer pharmaceutical company with his cousin, Charles F. Erhart, in 1849, as Chas. Pfizer & Co. Inc.

Frederick Leypoldt (born Jakob Friedrich Ferdinand Leupold; 17 November 1835 – 31 March 1884) was a German-American bibliographer, the founder of Library Journal, Publishers Weekly, Index Medicus and other publications.