(standing left to right) Thomas Jonathan Burrill (1839-1916) and George Francis Atkinson (1854-1918); and (seated left to right) Lillian Horsford Farlow (1848-1927) and William Gilson Farlow (1844-1919), Smithsonian Institution Archives, This photo was possibly taken at the 1910 Botanical Congress in Brussels. University of Illinois botany professor Thomas Jonathan Burrill (1839-1916); Cornell University botany professor George Francis Atkinson (1854-1918) coauthored report on 1910 Brussels Botanical Conference with Farlow; Lillian Horsford Farlow (1848-1927) was married to William Gilson Farlow; Harvard University botanist William Gilson Farlow (1844-1919)..