“…More than a decade prior to his encounter with Edinger, Gegenbaur was mentor to his most well-known student, Ernst Haeckel, who was considered the most vigorous exponent of Darwin's theory outside England in the nineteenth century (Nyhart, 1995(Nyhart, , 2003Bowler, 1996;Gliboff, 2008 (Edinger, 2005, p. 49), a widely read popular account of evolutionary theory published in 1868 (Haeckel, 1892;Richards, 2008), when he was a teenager.…”