Williaume, Dates of birth and death: 1810 fl. - 1830 fl.
Also known as: Wouillaume / Gouilleaumen ;Worked for: François Richard de Tussac (1751-1837) ;
Willis, George Dates of birth and death: 1869 fl. - 1900 fl.
Also known as: G. W. ;Worked for: Edward Newman (1801-1876): Illustrated History of British Moths 1869 & Butterflies 1871 ; Transactions of the Zoological Society of London (London 1833-1965) ;
Willis, James Hamlyn Dates of birth and death: 1910 in Oakleigh, VIC - 1955
Also known as: J. H. W. ;Worked for: J. H. W. : A Handbook to Plants in Victoria (2 volumes in 1962 and 1972) ;
Willis, John Dates of birth and death: 1848 in Barham, City of Canterbury, Kent, England - 1919
Also known as: J.W.; Worked for: 275 pencil, ink & colour wash observations of the Sun, sunspots & Jupiter made in Folkestone between 1879 and 1906.
Williston, Samuel Wendell Dates of birth and death: 1851 in Boston, Massachusetts - 1918
Also known as: S. W. W. ;Worked for: Othniel Charles Marsh ; Benjamin Franklin Mudge ; Kansas Geological Survey (1899) ;
Willkomm, Heinrich Moritz Dates of birth and death: 1821 in Herwigsdorf, Saxony - 1895
Also known as: H. M. W. ;Worked for: Icones et descriptiones plantarum novarum criticarum et rariorum Europae austro-occidentalis, praeacipue Hispaniae (Leipzig 1852-56) ; universities of Leipzig, Prague, and Dorpat ;
Willoughby, Emily Autumn ° Dates of birth and death: 1986 in the Pasquotank County, NC -
Also known as: E. A. W. ;Worked for: E. A. W.: Drawing and painting dinosaurs. Using art and science to bring the past to life (London: Crowood Press, 2016) ; Holtz, Thomas Richard Jr. (*1965): Dinosaurs. The most complete, up-to-date encyclopedia for dinosaur lovers of all ages (New York City, NY: Random House Publishing Group, 2007) ; Anelli, Luiz Eduardo (*1964): O Brasil dos Dinossauros (São Paulo: editora Marte Cultura e Educação, 2017) ;
