Harriette A. Keyser 1841–1936 Source: Wikimedia Commons About Harriette A. Keyser American social worker, writer (1841-1936) People from the Same Era Friederich Jeppe 1833–1898 Rostock Frederik Jan Louis Krämer 1850–1928 historian, university teacher Dordrecht Hadrian Osmołowski 1838–1924 monk Christian Alfred Fahlcrantz 1835–1911 poet Joel D. Miller b. 1837 politician Prince Leopold, Prince of Hohenzollern 1835–1905 politician Krauchenwies