Felix Pifano
Felix Pifano Capdevielle, Venezuelan parasitologist and tropical physician (San Felipe, Yaracuy State 01 May 1912 – Caracas 08 August 2003) From Italian, French and Basque descent Authored over 200 scientific works Regarded as a world authority on tropical endemic diseases Showed another human trypanosomiais caused by Trypanosoma rangeli With M. Mayer, R. Medina & E. Domínguez C. Nouvelle trypanosomiasis humaine de la région neotropica produité par la Trypanosoma rangeli Tejera 1920. Bull. Soc. Pathol. Exot. 41:671-80, 1948 Proposed the existence of two complexes in mucocutaneous leishmaniasis With J.V. Scorza. Aspectos inmunologicos de las leishmanias que parasitan el hombre, com especial referencia a la Leishmania brasiliensis pifanoi. Arch. Venez. Med. Trop. 3(2):15-20, 1960 Described a new Diptera species Lutzomyia (Pintomyia) gibsoni 1972 with Ortiz Developed methods Maneras de estudiar un criadero de larvas de anofelinos. Tijeretazos Malariol. 3:47-9, 1938 With M. Mayer. Nuevos metodos para el diagnostico de la enfermedad de Chagas. Rev. San. Asist. Soc. 6:311-6, 1941 With M. Mayer. Intradermoreacción a la crucina, para el diagnostico rápido de la enfermedad de Chagas, método que oferece el valor diagnóstico del xeno (1940s) Important works Aspectos de Medicina Tropical (1964) Algunos aspectos en ecologia y epidemiologia de las enfermedades endemicas con focos naturales en el area tropical, especialmente en Venezuela (1969) HONORS Received an award by Academie Nationale de Medecine de Paris (1949) Honored in subgenus Pifanomyia Ortiz & Scorza 1963 (Diptera) LINKS https://drive.google.com/file/d/1to8UAdjNY7yqFtYo325Mi3xVikI8lXUr/view (Bibliography)
Felix Nelson Ponnamperuma
Felix Nelson Ponnamperuma, Sri Lankan pedologist (Galle, Ceylon 08 July 1920 – Kandy, Sri Lanka 11 December 1992) Regarded as a world-renowned authority on chemistry of submerged soils One of the firsts to apply thermodynamics to flooded soil systems Explained quantitatively the kinetics of pH, redox potential, electrical conductivity and important ions in flooded soils
Ernesto Paterniani
Ernesto Paterniani, Brazilian agronomist and plant geneticist (São Paulo 17 February 1928 – Piracicaba, São Paulo State 18 June 2009) Son of Italian immigrants ACHIEVEMENTS Developed a number of improved varieties of maize, such as Piramex, Centralmex, Perola Piracicaba, ESALQ VF-1, ESALQ VD-2, Piranão VF-1, Piranão VD-2, Pirapoca, ESALQ VD-2 waxy, etc. Developed new efficient methods for maize improvement Selection among and within half-sib families in a Brazilian population of maize (Zea mays L.). CropScience 7(3):212-6, 1967 With R. Vencovsky. Reciprocal recurrent selection in maize (Zea mays L.) based on test crosses of half-sib families. Maydica 22:141-152, 1977. Phenotypic recurrent selection for prolificacy in maize. Maydica 23:29-34, 1978. With R. Vencovsky. Reciprocal recurrent selection based on half-sib progenies and prolific plants in maize (Zea mays L.). Maydica 23:209-219, 1978. Determined effective scattering distance of maize pollen in field Effective maize pollen dispersed in the field. Euphytica 23:129-34, 1974. Proved the possibility of the occurrence of reproductive isolation through a sympatric process Selection for reproductive isolation between two populations of maize (Zea mays L.). Evolution 23:534-7, 1969 With C.O. Gardner. A genetic model used to evaluate the breeding potential of open-pollinated varieties of corn (1966) With M.M. Goodman recognized 20 races of South American maize (1977)
Ernesto Paccard
Ernesto Paccard, Uruguayan pharmacist (died Montevideo 21 April 1915) DEVELOPED General method for treatment of acute poisonings (1906) A voting electric apparatus A new industrial tincture
Ernest Paulini
Ernest Paulini, Hungarian-born Brazilian chemical engineer and parasitologist (18 January 1920 – Belo Horizonte 13 September 2013) Developed new techniques for prevention of parasitic diseases such as medicamentous salt for malaria DEVICES Da aplicação de moluscicidas. V. Um vertedouro desmontável para medir a vazão de água corrente. Rev. Bras. Malar. Doen. Trop. (1968) Da aplicação de moluscicidas. VI. Nomograma para o cálculo de moluscicidas. Rev. Bras. Malar. Doen. Trop. (1968) On the application of molluscicides. III. A centrifugal pump apparatus for the application of concentrated liquid molluscicides. Rev. Bras. Malariol. Doen. Trop. 13:61-3, 1961 Da aplicação de moluscocidas. I. Um dispositivo simples para a aplicação de moluscocida sólido. Rev. Bras. Malar. Doen. Trop. 8(2):391-5, 1956 Um dispositivo simples para a aplicação de moluscocida líquido. Rev. Bras. Malar. Doen. Trop. 7(2):277-9, 1955 METHODS With Y.G. Lins. Simple graphic method for evaluating and comparing results of nutrition surveys. Rev. Bras. Malariol. Doen. Trop. 15:629-43, 1963 With A.S. Guedes & A.S. Fomm. Technic for determining the susceptibility of Triatomas to insecticides. Rev. Bras. Malariol. Doen. Trop. 13:89-91, 1961 With H.C. Carvalho & G. Schreiber. Preliminary report on research towards the development of a standard test for insecticide-resistance and susceptibility in Drosophila. Bull. World Health Org. 24:664-8, 1961 With Sergio R. Reis. Um novo metodo colorimétrico para a dosagem de DDT e BHG. Rev. Bras. Malariol. Doenç. Trop. 9(3):439-42, 1957 With J.P. Pereira. Turbidimetric method of determination of micro-quantities of chloroquine. Rev. Bras. Malariol. Doen. Trop. 8(4):613-5, 1956 With I. Ricciardi. General rules for determination of the density of Musca domestica in a community. Rev. Bras. Malariol. Doen. Trop. 7(1):93-101, 1955 Spectrophotometric method of estimating chloroquine. Rev. Bras. Malar. Doen. Trop. 7(3):329-32, 1955 Metodo colorimétrico para a determinação de cobre em criadouros de planorbídeos. Rev. Bras. Malar. Doen. Trop. 7(2):273-5, 1955 Rapid determination of chloroquine in anti-malarial salt. Rev. Bras. Malariol. Doenças Trop. 6(3):327-8, 1954 Other contributions With T. Camey. Um novo tipo de moluscicida em ação sistêmica. Rev. Bras. Malar. Doen. Trop. 17(4):349-53, 1965 With I. Ricciardi. Experiência com um novo inseticida no combate a Musca domestica. XII Congr. Bras. Higiene (1955)
Enrique Pouey
Enrique Pouey, Uruguayan gynecologist and obstetrician (Montevideo 09 May 1858 – Montevideo 08 May 1939) Developed (1898) and presented (1904) the cone-shaped exhaustion technique for total extirpation of cervical mucosae known as Pouey operation or Forgue operation (in France) or Sturmdorf operation (in United States) Developed a procedure for treatment of chronic uterine inversions employing continuous traction Traitement de l’inversion uterine chronique par la traction elastique prolongée du col combinée a la propulsion du fond de l’utérus. Sem. Gynecol. 10:45-53, 1897 Eponym of Pouey-Stajano sign of tubal ectopic pregnancy or Laffont sign (consisting of peritoneal irritation and subscapular reflex pain; 1930s) His brother in law, Alfonso Lamas Delgado, surgeon and pathologist (Buenos Aires 19 June 1867 – 1954), developed Lamas-Mondino two-time operation for hydatid cysts (1905) later perfected by Posadas