José Martins da Cruz Jobim, Brazilian physician (Rio Pardo, Rio Grande do Sul State 26 February 1802 – Rio de Janeiro 23 August 1878)

Reported about a disease named opilation or intertropical hypoemy that affected poor people in Brazil. His theories about this disease gained international recognition and great medical treatises of this epoch cited his works. Nevertheless some decades later this disease was proved to be ancylostomiasis.

Authored first medical report in which African negroes displayed remarkable resistance against malarial infections than other sets of populations (1835). This report anticipated US researcher Lobby in 1846   

Discurso sobre as moléstias que mais affligem a classe pobre do Rio de Janeiro. Typographia Fluminense de Brito e Comp., 1835