Image from Wikimedia Commons
Tom Marcello - CC BY-SA 2.0
Demetrio Četáņ Čík'ala - CC BY-SA 4.0
The Warner & Swasey Company - Public Domain
James Lafayette (died 1923). Information provided by Valerie McAtear from the Royal Entomological Society: "We do have a copy in our photograph collection and the only information I can provide is that printed on the back is Copyright photograph by Lafayette Ltd" - Public Domain
Badagnani - CC BY-SA 3.0
Ezequiel Plaza - Public Domain
unknown - Public Domain
Thierry Caro - CC BY-SA 3.0
Contemporary portrait - Public Domain
:de:Benutzer:Bernd Schwabe in Hannover - CC BY-SA 4.0
anonymous - Public Domain
Knud Rasmussen - Public Domain
Jadranpan - CC BY 3.0
he - CC BY-SA 3.0
Kauko - Public Domain
Johnstone O'Shannessy & Co - Public Domain
Public Domain
Onehandclapping - CC BY-SA 3.0
Silverside (Sgt) No 5 Army Film & Photographic Unit - Public Domain
Photograph - Public Domain
ph nordgren - Public Domain
Image from Wikimedia Commons
Tom Marcello - CC BY-SA 2.0
Johnson, Alphonso
Image from Wikimedia Commons
Moore, Russell, 1971-
Image from Wikimedia Commons
Demetrio Četáņ Čík'ala - CC BY-SA 4.0
Clark, W.P. (William Philo), 1845?-1884
Image from Wikimedia Commons
The Warner & Swasey Company - Public Domain
Warner, Worcester Reed, 1846-1929
Image from Wikimedia Commons
James Lafayette (died 1923). Information provided by Valerie McAtear from the Royal Entomological Society: "We do have a copy in our photograph collection and the only information I can provide is that printed on the back is Copyright photograph by Lafayette Ltd" - Public Domain
Poulton, Edward Bagnall, Sir, 1856-1943
Image from Wikimedia Commons
Thomas, M. Carey (Martha Carey), 1857-1935
Image from Wikimedia Commons
Badagnani - CC BY-SA 3.0
Smith, Stuart Saunders, 1948-
Image from Wikimedia Commons
Ezequiel Plaza - Public Domain
Alvarez Sotomayor, Fernando
Image from Wikimedia Commons
unknown - Public Domain
Hoffmann, Josef Franz Maria, 1870-1956
Image from Wikimedia Commons
unknown - Public Domain
Berwald, William
Image from Wikimedia Commons
Thierry Caro - CC BY-SA 3.0
McDowell, Patrick 1799-1870
Image from Wikimedia Commons
Contemporary portrait - Public Domain
Watson, Richard, 1737-1816
Image from Wikimedia Commons
:de:Benutzer:Bernd Schwabe in Hannover - CC BY-SA 4.0
Spengler, Andreas
Image from Wikimedia Commons
Allan, David, 1744-1796
Image from Wikimedia Commons
anonymous - Public Domain
Richardson, Leander Pease, 1856-1918
Image from Wikimedia Commons
Knud Rasmussen - Public Domain
Freuchen, Peter, 1886-1957
Image from Wikimedia Commons
Jadranpan - CC BY 3.0
Mackenzie, Lewis 1940-
Image from Wikimedia Commons
he - CC BY-SA 3.0
Frîster, Rôman
Image from Wikimedia Commons
Kauko - Public Domain
Fabricius Hildanus, Wilhelm, 1560-1634
Image from Wikimedia Commons
Kwapiński, Jan, 1885-
Image from Wikimedia Commons
Johnstone O'Shannessy & Co - Public Domain
Chevalier, N. (Nicholas), 1828-1902
Image from Wikimedia Commons
Public Domain
Whitworth, Charles Whitworth, Baron, 1675-1725
Image from Wikimedia Commons
unknown - Public Domain
Basadre, Jorge, 1903-1980
Image from Wikimedia Commons
Onehandclapping - CC BY-SA 3.0
Frumkin, Gene
Image from Wikimedia Commons
Silverside (Sgt) No 5 Army Film & Photographic Unit - Public Domain
Kramer, Josef, 1906-1945
Image from Wikimedia Commons
anonymous - Public Domain
McIntyre, James, 1857-1937
Image from Wikimedia Commons
Photograph - Public Domain
Judd, Norman B. (Norman Buel), 1815-1878
Image from Wikimedia Commons
James, W. M. (William Milbourne), 1807-1881
Image from Wikimedia Commons
ph nordgren - Public Domain
Nordgren, Pehr Henrik
Image from Wikimedia Commons
Public Domain
Kimball, Nathan, 1823?-1898