Marcelo Nunes Camargo
Marcelo Nunes Camargo, Brazilian pedologist (Lorena, São Paulo State 26 June 1927 – Rio de Janeiro 07 July 1995) CONTRIBUTIONS With A.P. de Carvalho, J.O. Larach & P.K.T. Jacomine. Critérios para distinção de classes de solos e de fases de unidade de mapeamentos: normas em uso pelo SNLCS (1988) With E. Klamt & J.H. Kauffman. Soil classification as used in Brazilian soil surveys (1987) With P.K.T. Jacomine, I.L.P. Olmos, F. Palmieri & T.E. Rodrigues. Conceituação sumária de algumas classes de solos recém-reconhecidas nos levantamentos e estudos de correlação do SNLCS (versão provisória) 1982 With J. Bennema. Some remarks on Brazilian latosoils in relation to oxisols of soil taxonomy. Proceed. 2Nd Intern. Soil Class. Workshop Bangkok, Thailand (1979) With J. Bennema & KJ. Beek. Um sistema de classificação de aptidão agrícola de uso da terra para levantamentos de reconhecimento de solos (1964) With K.J. Beek & J. Bennema. Um sistema de classificação de capacidade de uso da terra para levantamento de reconhecimento de solos (1949)
Marcello de Moura Campos
Marcello de Moura Campos, Brazilian organic chemist (São Paulo 17 June 1921 – São Paulo 24 April 2016) With R.T. Arnold proposed the mechanism of bromolactone formation (1953) Developed methods for thioacetals preparation from carbonilic compounds (1950s) With N. Petragnani developed a number of reagents containing P-C-Se (selenophosphoranes) With N. Petragnani & Toscano first to synthesize species containing a P-Se-C binding With N. Petragnani described the addiction of tellurium tetrachloride to olefins (1962) With N. Petragnani & C. Thomé first to report the reduction of an organic substrate via a tellurium reagent (1960) With N. Petragnani first to use a tellurium reagent in organic synthesis (1960) With N. Petragnani discovered that both selenium and tellurium promotes the cyclization of unsaturated substrates in Chem. Ber. 93:317, 1960 With N. Petragnani discovered seleno- and tellurolactonization of unsaturated acids in Chem. Ber. 93:317, 1960 With N. Petragnani first to describe selenocyclofunctionalization reaction (1959)
Marcelino Cereijido
Marcelino Cereijido Mattioli, Argentine-born Mexican cytologist (Buenos Aires 29 January 1933 – Expert on molecular and cell physiology Authored 350 papers and 14 books (with over 5,000 citations) Much of his work are regarded as citation classics Developed experimental techniques for studying basic mechanisms of transport epithelium and elucidated them Discovered how cultured cells recognize each other, associate to close the surfaces between them and don’t let the entrance of certain substances With P. F. Curran developed a method for measuring K influx into the epithelial cells of frog skin from the inside solution in J. Gen. Physiol. (1965) With D.D. Sabatini introduced Madin-Darby canine kidney cell culture for the study of epithelial cell polarity (1970s) With R.G. Contreras, J.J. Bolívar & A. Lazaro. A novel type of cell-cell coperation between epithelial cells. J. Membr. Biol. (1995) With I. Larre showed the role of the ouabain in the cell communication (2006) With I. Larre. Na+, K+-ATPase is the putative membrane receptor of hormone ouabain. Comm. Integr. Biol. 3(6):625-8, 2010 With C. A. Rotunno & M.I. Pouchan. Location of mechanism of active transport of sodium across the frog skin. Nature 210 (5036):597-9, 1966 With A. Ponce & L. Gonzalez Mariscal. Tight junctions and apical/basolateral polarity. J. Membr. Biol. 110(1):1-9, 1989
Manuel Ferreira da Camara
Manuel Ferreira da Câmara Bittencourt Aguiar e Sá, Brazilian scientist (Santo Antonio de Itacambira Parish, Minas Novas do Araçuaí District, Minas Gerais State 26 April 1764 – Bahia State 13 December 1835) ACHIEVEMENTS Showed the volcanic feature of obsidian Introduced improvements in diamond mining industry Presented a new process of iron foundry Memorias sobre as minas de chumbo e prata e sobre a fundição do ferro por meio de diminuta porção de combustível e por um processo novo (written in French; published in Germany) MEMBERSHIP Royal Academy of Sciences, Stockholm Natural History Academy of Edinburgh, Scotland HONORS Camaraea A. Saint-Hilaire 1823 (Malpighiaceae)
Manoel Amoroso Costa
Manoel Amoroso Costa, Brazilian mathematician and engineer (Rio de Janeiro 13 January 1885 – Rio de Janeiro 03 December 1928) ACHIEVEMENTS Showed that notion of mass center of universe can’t be extended to an infinite Newtonian universe A propos d’ une note de M. Borel. Comptes Rendus Acad. Sci. Paris 175(24):1190-1, 1922. One of the first to systematize the Non-archimedean geometries in the world Presented entitled work “L’univers infini-Quelques aspects du problème cosmologique” in Collége de France (1928). Performed interesting studies about Non-Archimedean Geometries that were displayed in one course in Université de Paris called “Les Géométries non-archimédiennes” (1928). Proposed a simple solution for using catenary in measurement of geodesic basis. It was reproduced in the book La Mesure Rapide des Bases Geodesiques (1917) With O. Novaes. Um problema sobre a catenária. Rev. Did. Esc. Poli. Rio de Janeiro. 8:9-16, 1916 Adapted the Zinger method to determination of North-South line Determinação do azimuth por alturas iguais de duas estrelas. Rev. Did. Esc. Polit. 11:17, 1917 Proposed a theory about integrating spheres Theoria dos integradores das esferas. Rev. Did. Esc. Polit. 12:69-73, 1918 Generalized the notion of frequency of oscillation amplitude using a novel integral Obtained a theorem about summability of series Derived a definite integral for the sum of a divergent series without exponential functions Sobre alguns pontos da theoria das series divergentes. Rev. Sci. 1:24-8, 1920 / Rev. Did. Esc. Polit. 18:97-100, 1919 Demonstração de um theorema. Rev. Did. Esc. Poli. Rio de Janeiro. 15:87-9, 1919 Generalized the notion of frequency from an accumulation element SOME BIBLIOGRAPHY Sobre a formação das estrelas duplas (1913) Nota sobre a série de Taylor. Rev. Did. Esc. Poli. Rio de Janeiro. 9:17-8, 1916 Sobre um theorema de cálculo integral. Rev. Soc. Bras. Sciencias 2:65-7, 1918 Demonstração de um theorema de De Moivre. Rev. Did. Esc. Poli. Rio de Janeiro. 15:87-9, 1919 Refração através de superfícies esféricas. Rev. Did. Esc. Polit. 19:11-34, 1920 A evidência em matemática (1920) A filosofia da matemática de Poincaré (1920) Nota sobre a teoria dos instrumentos astronômicos. Rev. Did. Esc. Polit. 30:41-66, 1926 Densidade média. Centro de gravidade e gravitação newtoniana em um universo total de massa infinita. Anais acad. Bras. Ciencias 1(2):51-71, 1929 Idéias e fundamentos da matemática (1929)
Manfredo Perdigão do Carmo
Manfredo Perdigão do Carmo, Brazilian geometer (Maceió 15 August 1928 – Rio de Janeiro 30 April 2018) Published more than 60 scientific papers in top-quality reviews (2 of them in Annals of Mathematics) Published Differential geometry of curves and surfaces in English (1976), translated into Spanish, German and Chinese languages and used worldwide. ACHIEVEMENTS Introduced the concept of weak stability with Barbosa and Eschenburg (1988) Obtained a condition in order to Mn compact variety from Euclidean space Rn+p be included in Rn+1 published in Archiv der Mathematik with wide recognition With M.F. Elbert proposed the notion of finite total curvature for a complete hypersurface of the euclidean space with vanishing scalar curvature Proposed that given a complete surface with non-null constant mean curvature its Gaussian image contains a maximal circle of sphere (1981) With N. Wallach described the moduli space as a convex set with stratified boundary (1969-71) With F. Warner proved that a compact surface in S3 whose extrinsic curvature is non-negative is an embedded sphere (1970) With J.L. Barbosa proved that an orientable minimal surface in R3 whose Gaussian image has area less than 2 π is stable (1976) With Peng proved that a complete, orientable and stable minimal surface in R3 is a plane or Do Carmo-Peng-Schoen theorem (1979) With M. Dajczer & F. Mercuri classified conformally flat hypersurfaces in space forms of dimension greater than or equal to five known as conformal surgery (1985) With H. Alencar & A.G. Colares proved that a constant scalar curvature compact hypersurface of a space form is a geodesic sphere (1993) With H. Alencar & W. Santos proved a gap theorem for compact hypersurfaces of scalar curvature one in spheres (2002) HONORS Invited Lecturer to International Congress of Mathematicians, Finland, 1978 TWAS Prize in Mathematics (1992) EPONYMY Alencar-do Carmo theorem do Carmo surface Barbosa-do Carmo theorem Chern-do Carmo-Kobayashi conjecture (1970) Chern-do Carmo-Kobayashi rigidity theorem (1970) Do Carmo-Dajczer surfaces do Carmo-Wallach classification do Carmo-Wallach theorem do Carmo-Zhou theorem (1999) do Carmo-Peng theorem (1979) do Carmo-Warner theorem Do Carmo-Fernandez theorem