J. F. Gates Clarke, Edward A. Chapin and John Riley, 1948, Smithsonian Archives - History Div, J. F. Gates (John Frederick Gates) Clarke, 1905-1990, Edward A. Chapin and John Riley, while at an international entomological meeting at the University of Uppsala, Sweden, visit the home of Carl Linnaeus (1707-1778), a noted biologist who invented the practice of naming all species by two names. Clarke was curator of Lepidoptera at the National Museum of National History. Edward Albert Chapin, 1894-1969, began work for the Bureau of the Biological Survey in Washington, D. C. Chapin transferred to the Bureau of Animal Industry in 1920 and then to the Bureau of Entomology in 1926 where he became a taxonomist in Coleoptera working at the United States National Museum, now the National Museum of Natural History. He became a curator at the museum in 1934 where he stayed until his retirement in 1954..