Hermann Müller, Alexander Agassiz, Ernst Krause and Ernst Haeckel. References Biographies Alfred Möller, 1920. Fritz Müller. Werke, Briefe und Leben [virtually the sole biographical source for this significant biologist] Cezar Zillig, 1997. Dear Mr. Darwin. A intimidade da correspondência entre Fritz Müller e Charles Darwin. Sky/Anima Comunicação e Design, São Paulo, 241 pp. [letters between Müller and Darwin, with very interesting comments on the life of Fritz Müller. In Portuguese] Andreas Daum, Wissenschaftspopularisierung im 19. Jahrhundert: Bürgerliche Kultur, naturwissenschaftliche Bildung und die deutsche Öffentlichkeit, 1848–1914. Munich: Oldenbourg, 1998, , [contains a short biography and much information on the contemporary context, including Darwinism in Germany, Haeckel, Krause, etc.] David A. West, 2003. Fritz Müller: A Naturalist in Brazil. Blacksburg: Pocahontas Press. [modern, and most welcome, though the biographical information rests almost entirely on Möller's book. West adds excellent summaries and assessments of Müller's biological work] External links Facts and Arguments for Darwin Dr. Fritz Müller on Some Difficult Cases of Mimicry (1882) Fritz Müller on mimicry Review of West's biography (pdf file) Another review of West's biography, and a different photo of Müller Botanists with author abbreviations 19th-century German biologists Humboldt University of Berlin alumni University of Greifswald alumni German entomologists Hymenopterists Brazilian biologists Evolutionary biologists German atheists Brazilian atheists German emigrants to Brazil 1822 births 1897 deaths People from Blumenau Natural history of Brazil Free love advocates Expatriate academics in Brazil