Francisco Mauro Salzano
Francisco Mauro Salzano, Brazilian human geneticist (Cachoeira do Sul, Rio Grande do Sul 27 July 1928 – Porto Alegre 28 September 2018) Considered as one of the leading experts on population genetics and genetical analysis of Amerindians ACHIEVEMENTS First to illustrate the genetic diversity and some rare genetic conditions in Native Americans The blood groups of South American Indians. Am. J. Phys. Anthropol. 15:555-79, 1957 With C.V. Tondo. Hemoglobin types of the Caingang Indians of Brazil. Science 132:1893-4, 1960 Rare genetic conditions among the Caingang Indians. Am. Hum. Genet. 25:123-30, 1961 Revealed a general diversity pattern in South Ameridians Intra and inter-tribal genetic variability In South Ameridians. Am. J. Phys. Anthropol. 28:183-9, 1968 Discovered a new type of population structure (fusion-fission) With J.V. Neel. Further studies on the Xavante Indians. X. Some hypotheses-generalizations resulting from theses studies. Am. J. Hum. Genet. 19:532-42, 1967 Discovered Porto Alegre haemoglobin With C.V. Tondo & D.L. Rucknagel. Hemoglobin Porto Alegre, a possible polymer of normal hemoglobin in a Caucasian Brazilian family. Am. J. Human Genet. 15:265-79, 1963 He was one of the few experts who wrote on the behalf of the World Health Organization the bioethic principles to be followed in genetic and evolutionary research (1964 & 1968) OTHER CONTRIBUTIONS With P. Skoglund, S. Mallick, M.C. Bortolini, N. Chennagiri, T. Hunemeier, M.L. Petz-Erler, N. Patterson & D. Reich. Genetic evidence for two founding populations of the Americas. Nature 525:104-8, 2015 With D. Reich, D. Patterson, N. Campbell et al. Reconstructing Native American population history. Nature 522 (1):1-6, 2012 With M.S. Jota, D.R. Lacerda, J.R. Sandoval et al. A new subhaplogroup of native American Y-chromosomes from the Andes. Amer. J. Phys. Anthr. 146:553-9, 2011 With T. Haag, A.S. Santos, C. Angelo, A.C. Srebek-Araújo, D.A. Sana, R.G. Morato & E. Eizirik. Development and testing of an optimized method for DNA-based identification of jaguar (Panthera onca) and puma (Puma concolor) faecal samples for use in ecological and genetic studies. Genetica 136:5-5-12, 2009 With V.C. Muschner, A.P. Lorenz, A.C.Cervi, S.L. Bonatto, T. Souza-Chies & L.B. Freitas. A first molecular phylogenetic analysis in Passiflora (Passifloraceae). Amer. J. Botany 90(8):1229-38, 2003 With T.A. Weimer, B. Westwood & E. Beutler. G6PD variants in three South American ethnic groups: population distribution and description of two new mutations. Human Hered. 48(1):92-6, 1998 HONOURS Honorary Member, Royal Anthropological Institute of Great Britain and Ireland (1989) Franz Boas High Achievement Award, Human Biology Association (1999) Doctor Honoris Causa, Université Paul Sabatier, Toulouse III (2010) Foreign Member, National Academy of Sciences, USA (1999) LINKS https://26843a7d-3eb6-4134-9cd3-4baa32c5c56b.filesusr.com/ugd/b703be_f6ec2081f8c243ab98ac431b6b72800e.pdf (English)
Francisco Alberto Saez
Francisco Alberto Saez Sanchez, Uruguayan cytogeneticist (Montevideo 10 March 1898 – Montevideo 27 April 1976) Authored over 200 works (126 scientific works) Gained international recognition for his researches on orthopteran cytogenetics and its taxonomic implications Investigaciones sobre los cromosomas de algunos ortopteros de la America del Sur. I. Numero y organización de lós complejos em cuatro gêneros de acridios. Rev. Museo La Plata 32:317-61, 1930 Variación numérica en correlación con la existência de cromosomas multiples en Aleuas vitticolis sp. (Orthoptera, Acrididae). Rev. Museo La Plata 32:317-61, 1930 Estructura de los cromosomas en dos especies del genero Aleuas. Actas Congr. Nac. Med. Rosario (1935) Oserved the genetic mutation by centric fusion in Orthoptera Found that amphibians don’t display morphologically invidualized sex chromosomes (1935) With P. Rojas & E. De Robertis. Untersuchungen uber die Geschlechtzellen der Amphibien (Anuren). Der Meiotische Prozess bei Bufo arenarum. Zeit. Zellforsch. Mikro Anat. 24:727-77, 1936 Studied the karyotypes of Didelphis paraguayensis (1931) and Lutreolina crassicauda (1938) Observed that there is not sexual chromatin in many species of insects and birds Authored the first work in which describes that gravity induced chromosome changes Alteraciones experimentales inducidas por la acción de la gravedad en las células somáticas de Lathyrus odoratus (Leguminosae). An. Soc. Cient. Argentina 132:139-50, 1941 Demonstrated that differentiation of euchromatin and heterochromatin along meiosis and concluded that they are distinct in their intramolecular organization Differentiation of meiotic meiotic heterochromatin and euchromatin by microspectrophotometric techniques. Anat. Rec. 113:65, 1952 Citofotometria de la heterocromatina y cromatina. Biologica 22:31-6, 1956 Described the neoX-neoY system in Orthoptera (1956) With A. Díaz. Sistema sexual neo-X neo-Y em Xyleus laevipes (Orthoptera: Romaleinae). Arch. Soc. Biol. Montevideo 23:13-27, 1956 An extreme karyotype in an orthopteran insect. Am. Nat. 91:259-64, 1957 Demonstrated the clastogenic action of some substances from animal origin With M. E. Drets. The action of gonyleptidine on the mitotic and meiotic chromosomes and on the interphase nucleus. Portugaliae Acta Biol. 5:287-302, 1958 First to describe the polyploidy in Amphibia and meiotic multivalent association of the chromosomes (1959) With N. Brum-Zorrilla. Citogenetica de anfibios anuros de America del Sur. Los cromosomas de Odontophrynus americanus y Ceratophrys ornata. An. Fac. Med. Montevideo 44:414-23, 1959 With N. Brum-Zorrilla analysed the karyotype of over 80 anuran species from South America (1959-73) Demonstrated that Black sorghum is an interspecific hybrid With O. Nuñez. La citologia de Sorghum alnum (Parodi), una nueva especie con 40 cromosomas. I. Los cromosomas somaticos. Rev. Arg. Agron. 11:152-7, 1943 Established biochemical and genetical correlations about heterochromatinization gradient of sexual chromosomes (1963-8) Described the karyotype of capybara, the biggest rodent in the world With M. E. Drets & N. Brum-Zorrilla. Karyotype of the “carpincho” (Hydrochaeris hydrochaeris uruguayensis (Rodentia, Hydrochaeridae). Experientia 27(5):584-5, 1971 With M.E. Drets & N. Brum-Zorrilla described the karyotype of Southern long-nosed armadillo (Dasypus hybridus) in 1964 Described a new mechanism of formation of sex-bivalent chromosome Xyp With E. Corbella, F. Panzera & G.A. Folle. C-banding and non-homologous associations. II. The “parachute” Xyp sex bivalent and the behavior of heterochromatic segment in Epilachna paenulata. Chromosoma 88:249-55, 1983 With V. Nowinski e E. De Robertis authored Citologia General (General Cytology) in 1946 translated into many languages; later named Cell Biology METHODS Le carmin acétique ferrique dans l’etude des chromosomes des animaux. Arch. Soc. Biol. Montevideo 1:258-61, 1929 (iron-aceto-carmin method) Un sencillo dispositivo para la inclusión en parafina que elimina ventajosamente el empleo de la estufa termorreguladora. Physis 11:82-5, 1931 Introduced a method for studying human chromosomes obtained from bone marrow puncture With E. Varela. Un nuevo metodo para el estudio de los cromosomas somaticos del hombre. Rev. Soc. Arg. Biol. 10:421-2, 1934 Una tecnica para el estudio de los cromossomas somáticos largos en los vegetales. Ciencia y Investigación 6:281-2, 1950 Perfected a many of staining cells procedures With M. Drets developed methodology employed for verifying if new volatile synthetic drugs are able to induce chromosomal changes LINKS https://fibamdp.files.wordpress.com/2016/03/libro-sobre-prof-f-saez-2011.pdf (Spanish)
Francisco Adolfo Sauvalle
Francisco Adolfo Sauvalle Chanceaulme, Cuban botanist (Charleston, South Carolina 01 July 1807 – Regla, La Habana 30 January 1878) From French parents Authored Nuevo metodo para la conservación de las carnes en la Isla de Cuba (1867) DESCRIBED PLANTAE SPECIES Calycogonium ellipticum Calycogonium productum Casearia aquifolia Jatropha peltata Margaritopsis acuifolia Myginda pungens Sabal mexicana Sagraea macrandra Terminalia angustifolia Zanthoxylum gracile Zanthoxylum phyllopterum Zanthoxylum stenopterum HONORS Sauvallea Wright 1871 (Commelinaceae)
Ferdinand Stoliczka
Ferdinand Stoliczka, Czech-born Indian zoologist and paleontologist (Bilany, near Kromeriz, Moravia 07 June 1838 – Moorghi, Ladakh 19 June 1874) DESCRIBED NEW TAXA Genera Mollusca (Living & Fossil) Allopagus 1871 Amplostoma 1868 Arcotia 1868 Chalmasia 1871 Clandestinum 1867 Dejanira 1859 Egerella 1870 Electroma 1871 Ficulopsis 1867 Fustiaria 1868 Glossocardia 1870 Gonilia 1871 Gosavia 1866 Hindsiella 1871 Homalina 1870 Icanotia 1870 Itruvia 1867 Lewisiella 1868 Lymnocardium 1870 Mohrensternia 1865 Mutiella 1871 Myina 1870 Palaeomoera 1870 Petricolana 1870 Placastraea 1873 Pulsellum 1868 Pypisoma 1873 Sphaeriola 1871 Stirpulina 1870 Thetironia 1870 Veniella 1870 Venilicardio 1870 Volviceramus 1871 Bryozoa Orbitulipora 1862 Spiroporina 1865 Stichoporona 1862 Arachnida Gagrella 1869 Thomisus 1869 Crustacea Typilobus 1871 Amphibia Ansonia 1870 Vertebrata Species & Subspecies Mammalia Hemiechinus auritus albulus 1872 Aves Saxicola macrorhynchus 1872 Pyrrhocorax graculus forsythi 1874 Reptilia Ablepharus grayanus 1872 Cnemaspis affinis 1870 Cnemaspis wicksi 1873 Cyrtopodion kachhense 1872 Cyrtopodion lawderanum 1871 Eutropis rugifera 1870 Gerrhopilus andamanensis 1871 Gongylosoma nicobariensis 1870 Hemidactylus giganteus 1871 Indotyphlops porrectus 1871 Laudakia agrorensis 1872 Laudakia dayana 1871 Lipinia macrotymparum 1873 Mesalina watsonana 1872 Ovophis convictus 1870 Psammophilus blanfordanus 1871 Trimeresurus mutabilis 1870 Xenochrophis bellula 1871 Amphibia Amnirana nicobariensis 1870 Ansonia penangensis 1870 Fejervarya andamanensis 1870 Fejervarya limnocharis 1872 Fejervarya nicobariensis 1870 Fejervarya pulla 1870 Glyphoglossus guttulatus 1872 Kalophrynus interlineatus 1872 Kaloula pulchra 1870 Limnonectes hascheanus 1870 Limnonectes plicatellus 1873 Nanorana vicina 1872 Philautus cinerascens 1870 Scutiger sikimmensis 1872 Uperodon variegatus 1872 HONORS Stoliczka O.P. Cambridge 1875 (Arachnida) Stoliczkia Jerdon 1870 (Reptilia) Stoliczkaia Neumayr 1875 (Ammonites) Stoliczkaria Duncan 1878 (Cnidaria) Stoliczkiella Carter 1888 (Fossil Protozoa) Stoliczkathyris Radulovic & Ramamoorthy 2000 (Fossil Brachiopoda) Stoliczia Bott 1966 (Crustacea)
Federico Schickendantz
Friedrich (Federico) Schickendantz, German-born Argentine chemist and naturalist (Landau, Rhineland-Palatinate State 15 January 1837 – Buenos Aires 04 April 1896) ACHIEVEMENTS Developed new procedures in mineral processing in order to obtain higher yields Proposed diffusion method Discovered a new sodium-potassium-calcium sulfate Un nuevo sulfato de sódio, potássio y cálcio. Bol. Acad. Nac. Cien Cordoba 3:85-7, 1879. Developed Schickendantz method for separating gold from copper Extracted alkaloids from many plant species Developed methods for separating alkaloids berberine and oxyacanthine Discovered alkaloid aspidospermine or quebrachine independently of German chemists Fraude & Hesse (1878) Introduced use of sulphurous acid for sugars purification Invented a procedure for desiccating sugar under calcium trissulfite New procedures for sugar cane exploitation Performed oenological studies HONORS Schickendantziella Spegazzini 1903 (Liliaceae)
Federico Sabina
Federico Juan Sabina Císcar, Mexican mathematician and physicist (Ciudad de Mexico 1945 – Predicted dynamic and static properties of new composite materials Discovered a new kind of surface waves on elastic materials With J. Bravo-Castillero, R. Rodríguez Ramos, J.A. Otero & H. Mechkour obtained an unified general formula for all effective properties of periodic multilaminated magneto-electro-elastic composites (2007) With L.D. Perez Fernandez, J. Bravo Castillero & R. Rodríguez Ramos presented different types of constitutive relations of linear thermo-magneto-electro-elasticity (2008) With R. Rodríguez Ramos, J. Bravo Castillero, R. Guinovart-Díaz et al. found a relation among the antiplane effective constants from the solutions of two antiplane strains and potential local problems (2008) With J.M. Vivar Perez, R. Rodríguez Ramos, J. Bravo-Castillero et al. proposed a dispersive asymptotic method for the description of wave propagation in periodic structured composites (2009) With R. Rodríguez Ramos, J. Bravo Castillero, R. Guinovart-Díaz et al. obtained a general algorithm for the calculation of variation bounds of dimension d for any type of anisotropic linear elastic composite as a function of the properties of the comparison body (2009) With R. Rodríguez Ramos, J. Bravo Castillero, R. Guinovart-Díaz et al. established the limiting equations modelling the behaviour of a three-dimensional magneto-electro-elastic composite made of periodically perforated microstructure (2010) With R. Rodríguez Ramos, J. Bravo Castillero, R. Guinovart-Díaz, R. Brenner et al. gave unified analytical formulae for the effective properties of periodic fibrous composites (2012) With R. Rodríguez Ramos, J. Bravo Castillero, R. Guinovart-Díaz et al. Semi-analytic method for computing effective properties in elastic composite under imperfect contact (2013)