Severo Navia
Severo Navia, Mexican chemist and mineralogist (Silao, Guanajuato State 1842 – 1903) With V. Fernandez discovered the mineral species guanajuatite (1873) described by del Castillo With Fernandez discovered several chemical compounds With Fernandez developed the alcoholic tincture of Guayacán resin as a reagent for recognizing manganese oxides, alkalis and alkaline carbonates (1886) Empleo de una sola lamina de turmalina, para reconocer si una substancia birefringente és de una o dos ejes de doble refracción (Employment of one tourmaline slide for verifying if a birefringent substance displays one or two axis of double refraction). La Naturaleza 1(4):33-4, 1878 His mineralogical works were winning-prize in World Exposition at Paris (1900)
Roddam Narasimha
Roddam Narasimha, Indian fluid dynamicist (Bangalore, Karnataka 20 July 1933 – Bangalore, Karnataka 14 December 2020) Authored over 200 papers and 5 books Internationally known for his studies of transition between laminar and turbulent flow, the structure of shock waves, various characteristics of fully developed turbulent flow, the fluid dynamics of clouds, near-surface temperature distributions and eddy fluxes in tropical atmospheric boundary layers His models for the transition zone between laminar to turbulent flows are widely used Proposed new scaling laws for atmospheric turbulent flow in the tropics Showed that swept wings characteristic of modern transport aircraft can sometimes experience several transition cycles within the immediate neighborhood of the leading edge With K.G. Rao enunciated a new formulation for surface flux at low winds (2006) With G.S. Bhat & V.H. Arakeri. A new method of producing local enhancement of buoyancy in liquid flows. Exp. Fluids 7:99-102, 1989
Raul Novaro Tamini
Raul Novaro Tamini, Argentine clinician (Buenos Aires 1878 – ? 1953) ACHIEVEMENTS Described Novaro-D’Amato sign or inverted Pitres sign Novaro, R & D’Amato, H.J. Consideraciones sobre un nuevo signo en las neoplasias pleuro-mediastino-pulmonares. Monograph. A.Guidi Buffarini, Buenos Aires, 1920. Described Novaro-Bermúdez sign Novaro, R. & Bermúdez Zolezzi, H. Consideraciones sobre un signo de adherencias del espacio infrahepatico. Anales del instituto Modelo de Clin. Med. 9(1):210-231, 1925.
Plutarco Naranjo
Plutarco Floresmilo Naranjo Vargas, Ecuadorian allergologist and pharmacologist (Ambato 18 June 1921- Quito 27 April 2012) Authored 300 papers ou monographs and 94 books and leaflets Demonstrated that plants death during hoar-frost is due to changes in pH towards acidity with clotting of intracellular coloids Necrosis fría de las plantas (1947) Demonstrated that three antihistaminic substances association presented a synergic effect with decreasing of side effects. This paved a way towards a drug named Hista3 launched in the market with international success With E. Banda de Naranjo. Studies of the combined action of some antihistaminic agents. Ann. Allergy 11(6):699-716, 1953 Proposed dissolve penicillin in a pectin colloid to extend its effects (18 to 24 hours). This product was registered as Radualina SOME BIBLIOGRAPHY El sistema neurovegetativo Timo, Inmunición y Alergia (1965) Farmacologia: reacciones indeseables por drogas (1969) La Etnomedicina em el Ecuador y la Medicina Tradicional Aborigen With E. Banda de Naranjo. Inactivation of the antihistaminic drugs in the liver and in the gastrointestinal tract. J. Allergy 24(5):442-5, 1953 Nialamide as a coadjuvant in the treatment of allergic eczema. Rev. Med. Hosp. Gen. 41:193-7, 1961 Toxicity of histamine: lethal doses. Handbook Exp. Pharmacol. 18(1):179-201, 1966 HONOURS President, 43th World Health Assembly (1991) LINKS www.diccionariobiograficoecuador.com/tomos/tomo23/n1.htm
Phaibul Naiyanetr
Phaibul Naiyanetr, Thai carcinologist (21 February 1938 – DESCRIBED CRUSTACEA TAXA Genera Chinapotamon 1994 with Dai Chulathelphusa 1994 Dromothelphusa 1992 Esanpotamon 1997 with Ng Esanthelphusa 1994 Kanpotamon 1993 Mekongthelphusa 1985 Neolarnaudia 1987 with Tuerkay Neotiwaripotamon 1975 with Dai Pudaengon 1995 with Ng Sayamia 1994 Siamosquilla 1989 Stelomon 2000 with Yeo Thaiphusa 1993 with Ng Thaipotamon 1993 with Ng Thaksinthelphusa 1993 Species About 75 HONORS Phaibulamon Ng 1992 (Crustacea)
Pedro Nowosad
Pedro Nowosad, Brazilian mathematician (Porto Alegre 30 June 1934- From Polish father and Bessarabian mother ACHIEVEMENTS Introduced concept of Gerschgorin family or G-function in Anais Acad. Bras. Ciencias 37:163-5, 1965. Introduced idea of regular boundary Isoperimetric eigenvalue problems in algebras. Comm. Pure Appl. Math. 21: 401-65, 1968 With R. Tovar showed validity of Carleman’s inequalities in reflexive Orlicz spaces HONORS Honorary Full Professor, Istituto per la Ricerca di Base, Monteroduni, Italy (1995) EPONYMY Nowosad-Tovar inequality Nowosad G functions Nowosad theorem Nowosad lemma