Cândido Firmino de Mello-Leitão

Brazilian zoologist (1886–1948)

Cândido Firmino de Mello-Leitão (July 17, 1886 – December 14, 1948) was a Brazilian zoologist who is considered the founder of arachnology in South America, publishing 198 papers on the taxonomy of Arachnida. He was also involved with education, writing high-school textbooks, and contributed to biogeography, with essays on the distribution of Arachnida in the South American continent.²

From Wikipedia’s article on Cândido Firmino de Mello-Leitão (this version), CC BY-SA 4.0.

Born Jul 17, 1886, died Dec 14, 1948.¹