Aristides Marques da Cunha
Aristides Marques da Cunha, Brazilian protozoologist (Rio Grande do Sul State 18 February 1887 – Rio de Janeiro 29 August 1949) ACHIEVEMENTS With J. Muniz definitely showed the existence of chromatin in bacteria (Bacillus anthracis) Studied in details the endomixia in Ciliata (with J. Muniz & G. de Freitas) Showed that the pandemic flu was a virosis independently With O. Magalhães & O. Fonseca. Estudos experimentais sobre a influenza pandemica. Mem. Inst. Oswaldo Cruz 10:174-91, 1918 Discovered American Visceral Leishmaniasis and described Leishmania chagasi With E. Chagas. Estudos sobre o parasita. In: Leishmaniose Visceral Americana, nova entidade mórbida do homem na América do Sul. Mem. Inst. Oswaldo Cruz 32:239-337, 1937 Described an antigen for complement fixation reaction in leishmaniases With E. Dias. Sur la preparation d’un antigene stable pour la reaction de fixation du complement dans les leishmanioses. Compt. Rend. Soc. Biol. 129:991-3, 1938 With E. Dias proposed a serological reaction for visceral and /or cutaneous leishmaniasis in Brasil Medico 53:89-92, 1939 Described many species of Protozoa from freshwater and marine plankton and parasites of mammalian cavities DESCRIBED PROTOZOA TAXA Families Cyathodiniidae 1914 Hallidae 1927 Paraisotrichidae 1927 Genera Bundleia 1928 with Muniz Buissonella 1925 with Muniz Cruzella 1923 with Faria & Pinto Cyathodinium 1914 Cyathodinioides 1936 with Freitas Eucamptocerca 1914 Eutreptiella 1913 Hydrochoerella 1925 with Muniz Paracyathodinium 1944 with Freitas Protohallia 1927 with Muniz Protolutzia 1925 with Muniz Prototapirella 1918 Rhynchodinium 1927 with Penido Spirorhynchus 1915 Toxodinium 1938 with Muniz Tritopsylla 1929 Tropidomonas 1915 Species At least 90 new species HONORS (Protozoa: Ciliophora) Cunhaia Hasselmann 1918 Cunhamunizia Ito & Imai 2000
Antonio Paes de Carvalho
Antonio Paes de Carvalho, Brazilian electrical physiologist and entrepneur (Rio de Janeiro 13 June 1935 – Rio de Janeiro 17 September 2021) Authored at least 28 papers, 5 books and 10 book chapters Obtained the first record of cellular electrical activity in atrioventricular node With Brian F. Hoffman. Transmembrane potential of single fibers of the atrioventricular node. Nature 181:66-7, 1958 Discovered the specialized pathways of atrial conduction and characterized its electrical activity With W.C. Mello & B.F. Hoffman. Electrophysiological evidence for specialized fiber types in rabbit atrium. Am. J. Physiol. 196:483-8, 1959 First description of mechanism of puncture and slow conduction by atrioventricular node With B.F. Hoffmann & P.F. Cranefield. Effects of acetylcholine on single fibers of atriooventricular node. Circ. Research 7:19-23, 1959 Proposed the concept that cardiac muscle action potential consisted of two distinct components With B. F. Hoffman & W. Langan. Two components of the cardiac action potentials. Nature 211:938-40, 1965
Antonio Frederico Campaner
Antonio Frederico Campaner, Brazilian carcinologist (São Paulo State 1945 – 18 August 1989) DESCRIBED CRUSTACEA TAXA Family Phyllopidae 1977 Genera Paracomantenna 1978 Sarsarietellus 1984 Species Paramisophria giselae 1977 Brachycalanus bjornbergae 1978 Bradyidius plinioi 1978 Paracomantenna magalyae 1978 Xanthocalanus marlyae 1978 Scolecitrichopsis pseudoculata 1979 Gaussia asymmetrica 1988 with Bjornberg HONORS Campaneria Ohtsuka, Boxshall & Roe 1994 (Crustacea)
Antonio del Castillo
José Antonio del Castillo Patiño, Mexican geologist, paleontologist and mineralogist (Pungarabato, Michoacán State 17 June 1820 – Ciudad de Mexico 27 October 1895) Authored 79 scientific works Described and named 2 new mineral species, guanajuatite (1873) and the variety guadalcazarite (1865) With M. Barcena discovered Peñon man (1884) DESCRIBED FOSSIL SPECIES Mammalia Palauchenia mexicana 1869 Mollusca (with Aguilera 1895) Aptychus mexicanus Aspidoceras alamitosensis Cucullaea catorcensis Cyprimeria mexicana Cyprina coteroi Exogyra potosina Goniomyia calderoni Haploceras carinata Haploceras catorcensis Haploceras mazapilensis Hoplites bifurcatus Hoplites cohglani Hoplites exceptionalis Hoplites heilprini Hoplites mexicanus Lucina coetoi Lucina potosina Lytoceras potosina Nautilus burkarti Olcostephanus potosinus Perisphinctes alamitosensis Perisphinctes dolfussi Perisphinctes felixii Perisphinctes flexicostatus Perisphinctes lauri Perisphinctes lenki Perisphinctes mazapilensis Perisphinctes montserrati Perisphinctes potosinus Placenticeras fallax Pleuromyia inconstans Pulchellia mexicana Rhacophyllites alamitosensis Rhacophyllites calderoni Rhacophyllites disputabile Vermetus cornejoi Waldheimia catorcensis With Barcena Nerinea anguillina 1875
Antonio de la Cal y Bracho
Antonio de La Cal y Bracho, Spanish-born Mexican pharmacist and botanist (Anguix, Ribera de Duero, Burgos 1764 – Puebla, July 1833) Authored Ensayo para la material medica mexicana (1832), Tablas botanicas (1825) and many studies about culture and uses of hemp plant Honored in genus Calibrachoa La Llave & Lexarza 1825 (Solanaceae)
Antonio da Costa
Antonio da Costa, Brazilian surgeon (Rio de Janeiro 15 March 1816 – Rio de Janeiro 07 July 1860) Published 32 works in Portuguese and French some of which were presented in Academie de Medicine de Paris Invented surgical instruments for lithotomy French surgeon Alfred Velpeau nicknamed him Brazilian Lisfranc