Osip Smolensky 1872–1920 Source: Wikimedia Commons People from the Same Era Karl Henrik Blomqvist 1863–1925 engineer Theodore von Kármán 1881–1963 Idist, aerospace engineer, astronomer, inventor, mathematician, military flight engineer, physicist, scientist, university teacher Budapest Ida Gertrude Margaret Halley 1867–1939 physician, surgeon Ballarat Philip Sidney Smith 1877–1949 botanist, geologist Valdomiro Castilho de Lima 1873–1938 politician Rio Grande do Sul Franz Volhard 1872–1950 cardiologist, university teacher Munich