Mário Pinotti
Mário Pinotti, Brazilian sanitarist (Brotas, São Paulo State 21 January 1894 – Rio de Janeiro 03 March 1972) Developed Pinotti method employing chloroquine salt against malaria (1952). This salt was used as therapeutic and/or prophylactic HONORS Bernhard Nocht Medal, Bernhard Nocht Institut für Tropenmedizin, Hamburg (1954) Medicine & Physiology Nobel Prize nominee (1959) OFFICES Brazilian Health Minister (1950-4; 1958-60)
Miguel Puiggari
Miguel Puiggari Llobet, Spanish-born Argentine chemist (Barcelona 26 April 1827 – Buenos Aires 14 April 1889) Discovered a new mineral Niqueluranita, o nuevo mineral de níquel y uranio del Cerro de Famatina. An. Soc. Cien. Arg. 1:339-40, 1876 Developed new dosage methods Invented ammonio-nitrometry Amoninitrometria o nueva sistema para dosar el amoniaco, el azoe de las materias orgânicas y el acido nítrico existentes en la atmosfera libre o confinada, en las tierras, en los abonos, etc. Rev. Farmacia 11:173-88, 1873 PATENTS The tick pesticide Sarnol (1903) With N. Venezia. Process for the purifying and clarifying of water. US1392524A (1917) A patent about guano production from industrial wastes
Mauricio Matos Peixoto
Mauricio Matos Peixoto, Brazilian mathematician (Fortaleza 15 April 1921 – Rio de Janeiro 28 April 2019) Invited Lecturer, International Congress of Mathematicians (1974) ACHIEVEMENTS Attained international recognition on important results about stability of differential systems Regarded as a pioneer in dynamical systems on surfaces Introduced sigma decomposition or focal decomposition concept (1982) Introduziu all-flows space (1959) Modified original definition of structural stability of Andronov-Pontrjagin flows (1959) Introduced closing lemma Introduced metric space sigma of differential equations Proved that structurally stable flows are dense on surfaces (c.1965) Proved that flows on closed surfaces are generically structurally stable Demonstrated structural stability of geometric surfaces EPONYMY Peixoto theorem (1959) Peixoto-Peixoto theorem (with Marília Chaves Peixoto) Peixoto conjecture (1962) Conley-Lyapunov-Peixoto graph (1959) Peixoto picture LINKS http://www.ime.usp.br/~sotp/mmp.pdf http://w3.math.uminho.pt/~dynappl2008/abstracts/Mauricio_Peixoto_CV.pdf
Mary Agard Pocock
Mary Agard Pocock, South African phycologist (Rondebosch, Cape Town 31 December 1886 – Grahamstown 10 July 1977) Recognized as a world authority on Volvocalean green algae systematics and morphology Authored about 30 papers DESCRIBED VALID ALGAE TAXA Genera Aiolocolax 1956 (Rhodophyta) Onychocolax 1956 (Rhodophyta) Rhodomelopsis 1953 (Rhodophyta) Astrephomene 1954 (Chlorophyta) Species Aiolocolax pulchellus 1956 Astrephomene gubernaculifera 1954 Balticola capensis 1960 Balticola zimbabwiensis 1960 Colacopsis velutina 1953 with Martin Dysmorphococcus africanus 1962 Gelidiocolax margaritoides 1953 with Martin Gelidiocolax suhriae 1953 with Martin Gonimophyllum africanum 1953 with Martin Gonium multicoccum 1955 Gonium octonarium 1955 Hydrodictyon patenaeforme Janczewskia meridionalis 1953 with Martin Microcolax africanus 1953 with Martin Onychocolax polysiphoniae 1956 Plocamiocolax papenfussianus 1953 with Martin Polysiphonia caespitosa 1953 Rhodomelopsis africana 1953 Selenoderma africana 1933 Sphaerocystis poweri 1933 Streblocladia tenuissima 1953 Volvox amboensis 1933 with Rich Volvox capensis 1933 with Rich Volvox gigas 1933 Volvox ovalis Others 5 varieties and 4 forms
Mario Parisi
Mario Nestor Parisi, Argentine cell physiologist and biophysicist (Buenos Aires 01 October 1939 – ACHIEVEMENTS With J. Chevalier & J. Bourguet first to find a low water permeability associated with a high aggregate surface area in the apical membrane (1983) With J. Bourguet proposed a model for water specific pass through plasmatic membrane (1983) With P. Ford, G. Amodeo, C. Capurro, C. Ibarra, R. Dorr & R. Ripoche proposed progesterone as regulator for water transfer in epithelial barriers (1996) With P. Ford, J. Merot, A. Jawerbaum et al. reported the first study correlating water permeability and aquaporin mRNa expression in mammalian oocytes (2000) First to propose that acid pH inhibits the water entrance into animal cells (later confirmed in plant cells too) First to postulate that aquaporins present gating features METHODOLOGY A system for measuring water transport in cell lines culture With R.A. Dorr, A. Kierbel & J. Vera. A new data acquisition system for the measurement of the net water flux acroos epithelia (1997)
Mariano Pacheco Herrarte
Mariano Pacheco Herrarte, Guatemalan agriculturalist (Quetzaltenango 24 April 1878 – after 1968) SOME BIBLIOGRAPHY Agriculture in Guatemala (1944) Cultivo de la Hevea brasiliensis (caucho de Pará) 1944 El mejoramiento de nuestros arboles y arbustos por medio del injerto (1941) La hibridación de plantas. Rev. Agric. Guatemala 17:237-41, 1940 El mejoramiento del cafeto (1939) El cultivo intensivo del café. Rev. Agr. Guatemala 15(3):140-2, 1938 Practicas agrícolas para mejorar los cultivos, aumentar y abaratar la producción (1937) El cultivo de la cana de azúcar. Rev. Agr. Guatemala 14:152-4, 1936 HONORS Pachecoa Standley & Steyermark 1943 (Fabaceae)