Rolla Seshagiri Rao
Rolla Seshagiri Rao, Indian botanist (19 August 1921 – Delhi Noida 23 February 2015) With V.H. Kapadia, Sukh Dev & M.Y. Ansari discovered that the alkaloid colchicine could be sourced from Iphigenia stellata for commercial purposes (patented in 1971) DESCRIBED PLANTAE SPECIES Blumea venkataramanii 1973 with Hemadri Chonemorpha pedicellata 1953 Cyanotis arcotensis 1967 Cyanotis cerifolia 1966 with Kammathy Glyphochloa goaensis 1968 with Hemadri Iphigenia magnifica 1979 with Ansari Iphigenia sahyadrica 1979 with Ansari Pimpinella katrajensis 1976 with Hemadri Pollia hasskarlii 1964 Rubus ghanakantae 1972 with Joseph Tricarpelema glanduliferum with Joseph HONORS Seshagiria Ansari & Hemadri 1971 (Asclepiadaceae)
Rodolfo Rohr
Rodolfo Rohr, Austro-Hungarian born Brazilian chemical engineer and entrepneur (Dorog, Komárom-Esztergom County 18 July 1926 – Campinas, São Paulo State 24 March 2018) Developed technology for sterol extraction by molecular distillation Proposed a vaporization tunnel (solution of neem oil and water) for fighting cattle ticks Suggested technology for power generation based on agricultural wasters and biogas for rural regions BRAZILIAN & FOREIGN PATENTS With A. Nikzad & A.K. Kuszlik. Method and device for purifying high melting organic raw products or compound mixtures by means of fractionated melting crystallisation from solvent mixtures (2006) US8056362B2; US20090209773; MY158640A; BRPI0613978; EP1907088; WO2007012214 With R. Rohr. Production of biodiesel (2005) US20060225341 Processo de produção de biodiesel- etil e metil esteres a partir de borra de refino quimico ou físico de oleos vegetais ou animais. BRPI0405705A (2004) With R. Rohr. Process for separating unsaponifiable valuable products from raw materials (2002) US20050054866; US2005003027; US20030120095; US6846941; PL370828; ZA200405510 With J.A. Quijano-Trujillo. Process for extraction and concentration of liposoluble vitamins and provitamins, growth factor and animal and vegetable hormones from residues and by-products of industrialized animal and vegetable products US6344573B1 (2000) Process for the extraction and concentration of unsaponifiables from the residues and by-products of animal and vegetable products (2000) AU2001263677A1 EP1292658B1 NZ523593 AU2007202034 WO 0198444A3 Process for separating saponifiable and non-saponifiable compounds comprised in a vegetable or animal raw material (2001) WO2003052034A1 EP1458839 CA2469754 Granola with whey protein isolate and process for obtaining it BRPI 0903512A2 (2009) US6846941B2 & 20050125 HONORS Rohria Balogh & Mahunka 1977 (Acari)
Rodolfo Robles
Rodolfo Robles Valverde, Guatemalan physician (Quetzaltenango 14 January 1878 – Ciudad de Guatemala 08 November 1939) Discovered that filariasis causes eye lesions First to show the existence of onchocerciasis in the American continent (Robles disease) With Pacheco Luna described the life cycle and transmission of the onchocerciasis, identifying the Simulium flies as the vector (1916-9) With E. Brumpt Identified nematode Onchocerca volvulus as causative agent of onchocercosis and described its epidemiology (1915) Proposed excision surgery and intratumoral injections for treatment of this disease Eponym of Robles disease or onchocercosis and Robles sign SOME BIBLIOGRAPHY Onchocercose humaine au Guatemala produisant la cécité et l’erysipele du litoral (Erisipela de la costa). Bull. Soc. Path. Exot. 12(7):442-63, 1919 Pseudolepra o punudos Inoculación de la verruga Etiologia y tratamiento de la colibacilosis Contribución al estudio etiologico de la llamada piorrea dental Notas sobre um signo patognomico de las fracturas del peroné Notas sobre las riquezas de Guatemala em aguas minerales (Fuentes Georginas)
Rizo-Patrón family
Antenor Rizo-Patrón Lequerica, Peruvian mining engineer (Lima 20 November 1867 – Lima 07 July 1948) Discovered a new mineral in 1900 that was named patronite in his honor by J.J. Bravo (1906) His son, Alfonso Rizo-Patrón Remy, mining and metallurgical engineer (Miraflores 09 April 1917 – Lima 11 August 2012) Patented processes of phosphates production
Rio de La Loza brothers
Francisco Río de La Loza Miranda, Mexican chemist (Ciudad de Mexico 23 January 1856 – 1901) Son of chemist Leopoldo Río de la Loza and half-brother of Maximino Río de la Loza Performed chemical analysis of plant species with medicinal value Extracted the alkaloid erythrocoralloidine from Erythrina coralloides Estudio sobre el colorín. An. Inst. Med. Nac. Rev. El Estudio 3:159-65, 1877 With E.A. Armendariz isolated the alkaloid talaumine from Talauma mexicana Estudio del yolloxochitl Talauma Mexicana Don. Na. Inst. Med. Nac. 1:241, 1894 Isolated 31 active principles from Mexican plants such as alkaloid hymenocallin and glucoside coryamyrtine SOME BIBLIOGRAPHY Materia Medica Mexicana part 1, 1894 El principio amargo del zacatechichi (Calea zacatechichi). An. Inst. Med. Nacional 1896 Pequeno contingente al estudio sobre las diastasas oxidantes. An. Inst. Med. Nacional Mex. 3:58-61, 1897 Procedimiento de separación de los principales acidos contenidos en los vegetales. An. Inst. Med. Nacional 3 (14-15): 248-52, 1898 Memorias sobre el pulque. An. Inst. Med. Nacional Mex. 8:151, 1905 (posthumous) Maximino Río de La Loza Valderrama, Mexican pharmacist and inventor (1829-1903) Studied the active principle of Senecio canicida Sobre la naturaleza y propriedad del Senecio canicida llamado vulgarmente yerba de Puebla (1862) Showed the quality of itzcuinpatli or Puebla plant (Senecio canicida) as a medication to control epilepsy. El senecio en el tratamiento de la epilepsia. Gac. Med. Mexico 2:345-8 & 362-4, 1866 Isolated alkaloid arnicine from Heterotheca inuloides, alkaloid casimiroine from Casimiroa edulis and montanoic acid from Montanoa tomentosa (with E. Armendariz) INVENTIONS Some pills to cure epilepsy A device for pharmaceutical and industrial purposes named pirofono A process for making white lead A device for oxygen inhalations (1877) A continuous motion machine (1884) A device to avoid railroad accidents (1887) A saving furnace
Ringuelet family
Raul Adolfo Ringuelet, Argentine zoologist, biogeographer, hydrobiologist, ecologist and parasitologist (La Plata 10 September 1914 – Puerto Madryn, Chubut Province 29 April 1982) From French ancestry Authored 202 scientific works and 8 books Determined new systems of biological types from benthic fauna Proposed a character-index for differentiation of specific and infraspecific fishes taxa (1964) Performed the first studies about heterotrophic ciliates of Antarctica With L.A. Bulla. Un nuevo artefacto para el muestreo estratificado de plankton en ambientes someros (A new stratified sampler for shallow waters) Physis Sect B 33(87):241-6, 1974 DESCRIBED TAXA Hirudinea Families Cyclobdellidae 1972 Diestecostomatidae 1953 Mesobdellidae 1972 Nesophilaemonidae 1982 Genera Acritobdella 1978 Adaetobdella 1978 Caribeobdella 1976 Dacnobdella 1978 Gloiobdella 1978 Maiabdella 1980 Orchibdella 1976 Patagoniobdella 1972 Tribothrynobdella 1976 Species 33 Arachnida Guaranobunus 1954 Protodiasia 1954 Simplicibunus 1953 Species 17 Pisces Valid Species Diplomystes cuyanus 1965 Diplomystes mesembrinus 1982 Hyphessobrycon meridionalis 1978 with Miquelarena & Menni Others Crustacea Species 14 Ciliata Species 2 HONORS Raulringueletia Zetti 1972 (Fossil Mammalia) Ringueletium Garcia 1990 (Protozoa) His wife, Andreina Celeste Marina Bocchino de Ringuelet, vertebrate paleontologist (1915 – 15 April 2001) DESCRIBED FOSSIL VERTEBRATA GENERA Mammalia Borhyaenidium 1963 with Pascual Microbiotheridion 1953 Pisces Austrolepidotes 1974 Luisiella 1967 Neosemionotus 1973 Propygidium 1964 HONORS Ringueletia Reig 1958 (Fossil Mammalia) Daughter of couple, Adela Emilia Ringulet Bocchino, astrophysicist (La Plata, Buenos Aires Province 27 March 1930 – Married to astronomer Jorge Sahade SOME BIBLIOGRAPHY With R. Vallverdú, L. Cidale & R. Rohrmann. Atmospheric models of He-peculiar stars: synthetic He I line profiles and absolute visual magnitudes. Astroph. Space Science 352(1):95, 2014 With J. Zorec, M.L. Arías, L. Cidale & R. Venero. Scale height of circumstellar discs in Be stars. Bol. Asoc. Arg. Astron. La Plata 50:169-72, 2007 With A. Cruzado, J. Zorec & A. Vazquez. The Balmer discontinuity as a test for density and temperature distributions in circumstellar envelopes. Bol. Asoc. Arg. Astron. La Plata 50:97-100, 2007 With J. Zorec, M.L. Arías & L. Cidale. Be star disc characteristics near the central object. Astron. Astrophys. 470(1):239-47, 2007 With A. Cruzado & H.O. DiRocco. Analysis of the SiII and SiIII dielectronic processes applied to stellar envelopes. Astrophys. J. 554, 2001 With R. Venero & L. Cidale. Theoretical He II lambda 4686A line profile in the Wind of hot stars. Rev. Mex. Astron. Astrofis. 8:127-9, 1999 With O. Cruzado & H.O. DiRocco. Dielectronic recombination of Mg II in stellar envelopes. Astrophys. J. 503, 1998 With L.S. Cidale. Rigorous treatment of the radiative transfer problem in stellar winds. Significance of the velocity law and the chromosphere in the H-alpha profile. Astrophys. J. 411:874-81, 1993 With M.E. Iglesias. Magnetohydrodynamic flows in Be stars. Variable energy flux and heat input distribution. Astrophys. J. 411:342-50, 1993 With A.C. Rovero. 3 Puppis. A peculiar object with infrared excess. Mon. Not. R. Astron. Soc. 266:203, 1993 With H. Chen, J. Sahade & Y. Kondo. Analysis of the velocity law in the wind of the Be star Lambda Pavonis. Astrophys. J. (1990) With J. Sahade, M. Rovira, Y. Kondo & L. Cidale. The extended atmosphere at the time of the emergence of H-emissions from minimum intensity. Astrophys. J. (1988) With J. Sahade & N. Rotstein. Variations in the envelope of the shell star HD50845 (1987) With A. Costa. The behaviour of the atmosphere of Sigma Scorpii. Rev. Mex. Astron. Astrof. 10:293, 1985 Near ultraviolet spectra of a group of early-type stars with Balmer emission. Mon. Not. R. Astr. Soc. 192:399-407, 1980 With L. Houziaux. Ecliptic coordinates of selected hot stars (1972) With J. Sahade. The problem of the determination of the masses in Algol systems, Vistas in Astronomy 12:143-6, 1970 Paschen discontinuity in B stars. Astroph Space Sct 5(4), 1969 With C.O.K. Jaschek. Note on the evolution of the Cepheids. Z. Astrophys. 48:22-7, 1959 With M.L. Arías, J. Zorec & L.S. Cidale. Properties of regions forming the Fe II emission lines in Be stars Double absorption cores in the shell spectrum of 48 Librae Spectrophotometry properties of Be stars: the Be shell star Diagnosis of low density regions through the Fe II line profiles HONORS Asteroid 5793 Ringuelet