Alfred Rosenblatt

Alfred Rosenblatt, Polish/Peruvian mathematician (Krakow 22 June 1880 – Lima 08 July 1947) Authored more than 300 publications SOME BIBLIOGRAPHY Uber die existenz von integralen gewöhnlicher differentialgleichungen (1909) Geometrja analityczna na plaszczyznie (1926) Zagadninie torbulencji Sur certains mouvements stationnaires plans de liquids visqueux. Comptes Rendus Acad. Sci. Paris 189:450-2, 1929. Sur certains mouvements des liquides visqueux incompressibles (1933) Solutions exactes des equations du movement des liquids visqueux (1935) Sobre la representación conforme de dominios planos limitados variables. Doctoral Thesis, Universidad San Marcos, Lima, Peru (1936) With G. García. Sur La formule de Stokes dans la théorie de La gravite (1937) With G. García. Sur La regularisation du problemé plan des trois corps (1937) With J. Tola. Calculos provisorios para los contactos en el eclipse de Sol del 8 de junio de 1937 (1937)   Sur le problems du calcul des variations des integrals simples dans le extremites variables. Rev. Ciencias 40:555-87, 1938 Sur le problems du calcul des variations des integrals simples dans le extremites variables. Rev. Ciencias 41:67-97, 1939 Sur les coefficients des series univalentes dans le circles unites. Bull. Soc. Math. Grece 19:127-8, 1939. Sur les points singulliers des equations différentielles. C.R. Acad. Sci. 209:10-11, 1939. Sur la propagation des ondes de Rayleigh dans le milieu transversalement isotropiques. Rev. Ciencias 42: Sur le concept de contagion de M.G. Pólya dans Le calcul del probabilités. Divers schemes. Application à la peste bubonique au Pérou (1940) Algunos datos sobre el eclipse total de Sol del 25 de enero de 1944 (1944) On the natural diatonic scales I. Actas Acad. Ciencias Lima 8:165-82, 1945 On the natural diatonic scales II. Actas Acad. Ciencias Lima 8:183-96, 1945 Sur les conditions d’unicité d’une solution des equations différentielles ordinaries. HONOURS Invited Lecturer, International Congress of Mathematicians (1928 & 1932)

Alfonso Romo de Vivar

Alfonso Romo de Vivar y Romo, Mexican organic chemist (San Francisco de los Romos, Aguascalientes 30 April 1928 – Authored over 170 works Studied molecular structures of natural products from Mexican flora and discovered new chemicals from them Gained international recognition for his studies on sesquiterpenic lactones Proposed biogenetical relationships of certain subgroups of natural products Isolated and determined chemicals as mexicanines A, B and C (1959-61), zaluzanines (1967) and franserine (1968) Discovered that seeds of many species from genus Yucca had steroidal glycosides (1975-7) and showed that their oils were edible Patented a method for synthesizing natural steroids of pharmaceutical importance from Yucca sp. (Mexican Patent 139297, 1979) Described Romo de Vivar transformation, a reaction of transformation involving a 2-acetoxy-brominated compound into a 2-hydroxy-acetylated compound With J. Romo. Some experiments with 16 β-bromo-17 α-acetoxy-20 ketosteroids. Synthesis of 16 α-17α-dihydroxysteroids and related compounds. J. Org. Chem. 21:902-9, 1956  

Alexander William Roberts

Alexander William Roberts, Scottish-born South-African astronomer (Farr, Sutherland 04 December 1857 – Alice, Eastern Cape 27 January 1938) Authored over 100 works Discovered some variable stars With H.N. Russell demonstrated that the components of some of binary star systems are low-density stars with gigantic diameters  Developed a visual photometer HONORS Lunar crater Roberts LINKS http://assa.saao.ac.za/html/his-astr-roberts_aw.html

Alberto Carlos Riccardi

Alberto Carlos Riccardi, Argentine geologist, paleontologist and stratigrapher (Buenos Aires 18 June 1942 – DESCRIBED FOSSIL MOLLUSCA TAXA Genera Amosiceras 2006 with Sabattini & Pagani Araucanites 1976 with Westermann Bonarelliceras 2005 with Medina Chondromileia 1979 with Westermann Gerthiceras 1982 with Westermann  Jeletzkyites 1983  Koloceras 1987 with Aguirre Ureta Piatnitzkyceras 2005 with Medina Pseudoneuqueniceras 1991 with Westermann Pseudoteudopsis 2016 Puchenquia 1972 with Westermann Sobraliceras 2006 with Medina Stehnocephalites 1989 with Westermann & Elmi Stolleyiceras 2005 with Medina Sueroceras 1974 with Sabattini Tuberosciponoceras 2007 with Medina Westermanniceras 2000 Species At least 50  HONOURS Honorary Fellow, Geological Society of America (2001) President, International Union of Geological Sciences (2008-12) Genus Riccardiceras Westermann 1995 (Ammonites)

Albert Rakoto Ratsimamanga

Albert Rakoto Ratsimamanga, Malagasy physician and diplomat (Tananarive 28 December 1907 – Antananarivo 16 September 2001) Authored over 350 scientific publications (10 books) Authored a number of works on suprarenal hormones biochemistry and their relations with vitamins DEVELOPED Nicoscorbine Vitascorbol Polytissular antitoxic principles for leprosy (Patelen) Pentacyclic triterpenes Antidiabetic compound from Eugenia jambolana (Madeglucyl) Madetoxyl (antitoxic) Madetussyl (antitussic) Cortine (for treating post-surgical shock)  Synthetic compound for leprosy (with H. Bu Hoi) Hyperproteic food for malnutrition Madecassol (ulcer) Amaranthus extracts (absorbable calcium) Aloe divaricata extracts (nephritic and hepatic concretions) Passiflora aurantia extracts (hypotensive and relaxant) Centella brahmi-vallari total triterpenes (ulcer) SOME BIBLIOGRAPHY Acide ascorbique et travail musculaire La vitamine C (1958) Elements de pharmacopées malgaches (1963) Les triterpénoides en physiologie vegetale et animale (1964) Nouveaux catalogues des plantes médicinales malgaches (1972) Les triterpenoides en chimie, physiologie vegetale et therapeutique PATENTS With S.R. Ratsimamanga, P. Rasoanaivo,  K. Cheuk, H.C. Rabemanantsoa, J. Becquart, J. Provost & D. Reisdorf. Preparation and therapeutic uses of plants and plant extracts in the Hylocereus genus WO2005094856 With S.R. Ratsimammanga, P. Rasoanaivo, J. Leboul, J. Provost & D. Reisdorf. Mixtures which can be isolated from Eugenia jambolana Lamarck seeds, their preparation and the use of these mixtures and some of their constituents as medicaments 20020051828 (2002) With S.R. Ratsimammanga, P. Rasoanaivo, J. Leboul, J. Provost & D. Reisdorf. Mixtures derived from grains of Eugenia jambolana Lamarck preparation and use of said mixtures and some of their constituents as medicaments 5972342 (1999) & 6194412 (2001) With S.R. Ratsimammanga, P. Rasoanaivo, J. Leboul, J. Provost & D. Reisdorf. Sodium oxamate for the treatment of diabetic conditions 6300375 (2001) With P. Boiteau & M. Chanez. Hemisuccinates and salts of the hemisuccinates of asiatic acid US3366669 (1963) With P. Boiteau. Derivatives of asiaticoside and their process of preparation. US3365442 A (1963)    LINKS http://www.madagate.com/monde-malgache/portrait/2790-madagascarn-limra-devient-la-fondation-albert-et-suzanne-rakoto-ratsimamanga.html

Agustín Roque

Agustín L. Roque, Cuban / US histopathologist (fl.1948-70) Developed Roque trichrome  Chromotope aniline blue method of staining Mallory bodies of Laennec cirrhosis. Labor. Invest. 2(5):15-21, 1953 Other methods With N.A. Jafarey & P. Coulter. A stain for the histochemical demonstration of nucleic acids. Exp. Mol. Pathol. 11:266-74, 1965 A modification of Cajal’s gold sublimate method for tissue fixed in formalin. Acta Neuropathol. 6(1):88-92, 1966