Helio Sermenha Lepage
Hélio Sermenha Lepage, Brazilian agricultural entomologist (Niterói, Rio de Janeiro State 10 March 1905 – Pompéia, São Paulo State 27 December 1974) Authored over 100 works Gained international recognition for his works on Hemiptera Coccidae With E.R. Figueiredo Jr authored Pragas das Orquídeas (Orchids Plagues) (1947), recognized as a classic work in United States Improved insecticide IB946 With O. Giannotti & H.P. Pereira. Técnica para ensaio de inseticidas residuais biológicos. O Biológico 11:320-5, 1945 Considerações gerais sobre inseticidas, particularmente um novo derivado fosforado – RB1018 Técnica para a experimentação da dose letal mediana do DDT para a Ascia monuste DESCRIBED VALID HEMIPTERA TAXA Genera Aculeococcus 1941 Costalimaspis 1937 Species Aculeococcus morrisoni 1941 Acutaspis litorana 1942 Acutaspis oliveirae 1942 Conchaspis diplothemii 1943 with Giannotti Costalimaspis eugeniae 1937 Diaspis paulista 1942 Dinaspis paulistana 1942 Dynaspidiotus sanctadelaidae 1942 Luzulaspis saueri 1944 with Giannotti Melanaspis araucariae 1942 Melanaspis aristotelesi 1944 with Giannotti Melanaspis bondari 1943 Melanaspis figueiredoi 1942 Melanaspis martinsi 1942 Mycetaspis juventinae 1944 with Giannotti Niveaspis hempeli 1935 Palmaspis bondari Pseudoparlatoria campinensis 1946 with Giannotti Pseudoparlatoria gomescostai 1946 with Giannotti Pseudoparlatoria multipunctata 1946 with Giannotti Pseudoparlatoria trimaculata 1946 with Giannotti Velataspis aberrans 1942 Vinculaspis atibaiensis 1937 Vinculaspis cheloniformis 1937 Vinculaspis montei 1942
Harri Lorenzi
Harri José Lorenzi, Brazilian botanist (Corupá, Santa Catarina State 19 October 1949 – DESCRIBED PLANTAE TAXA Alone (2010) Acrocomia glaucescens Geonoma bondariana Geonoma conduruensis With Noblick Butia catarinensis 2010 Butia matogrossensis 2010 Butia pubispatha 2010 Geonoma littoralis 2010 Geonoma meridionalis 2010 Geonoma telesiana 2010 Lytocaryum itapebiense 2010 Syagrus allagopteroides 2010 Syagrus angustifolia 2010 Syagrus caerulescens 2010 Syagrus cerqueirana 2010 Syagrus deflexa 2010 Syagrus emasensis 2014 Syagrus gouveiana 2010 Syagrus guimaraesensis 2014 Syagrus itacambirana 2010 Syagrus kellyana 2010 Syagrus longipedunculata 2010 Syagrus lorenzoniorum 2010 Syagrus menzeliana 2010 Syagrus minor 2010 Syagrus pleiocladoides 2010 Syagrus procumbens 2010 Syagrus rupicola 2010 PATENTS Técnica de macrofotografia de plantas sobre fundo infinito e escalado PI0704540-9 A2 (2007) HONOURS Genus Lorenzia E.G. Gonçalves 2012 (Araceae) Invited Researcher, Harvard University (1998) Veitch Memorial Medal, Royal Horticultural Society, London (2022)
Gualterio Looser
Gualterio Looser Schallemberg, Chilean botanist and anthropologist (Santiago 04 September 1898 – Santiago 22 July 1982) From Swiss parents DESCRIBED PLANTAE TAXA Genera Garaventia 1941 Johowia 1937 with Epling Plarodrigoa 1935 Species Adesmia herteri 1936 Austroblechnum fernandezium 1947 Denstaedtia glauca C.Ch. ex Looser 1932 Laureliopsis philippiana 1934 Lycopodium barrosii 1945 Oxalis hickenii 1935 Varieties Blechnum auriculatum var. typicum 1947 Blechnum blechnoides var. typicum 1947 Polypodium feuillei var. ibanezii 1952 Puya coerulea var. intermedia 1935 with L.B. Sm. Puya coerulea var. monteroana 1935 with L.B. Sm. HONORS Looseria Thériot 1934 (Musci) LINKS http://rchn.biologiachile.cl/pdfs/1983/2/Martinez_1983.pdf (in Spanish; with bibliography)
Gilberto Francisco Loibel
Gilberto Francisco Loibel, Brazilian mathematician (São Paulo 24 May 1932 – São Paulo 13 November 2013) Son of German immigrants Authored Loibel theorem Multiplications on products of spheres. An. Acad. Bras. Ciencias 31:161-2, 1959 Introduced the concept of finite relative determination With P.F.S. Porto Jr. Relative finite determinacy and Relative Stability of Function Germs. Bol. Soc. Bras. Mat. 9(2), 1978. With R.C.E. Pinto proved that c-equivalence lies strictly between d-equivalence and b-equivalence (1982)
Geraldo Amadeo Lamas
Gerardo Amadeo Guillermo Lamas Muller, Peruvian entomologist (Lima 29 May 1948 – With R. Rojas, L. Caviedes, J.C. Aponte, A.J. Vaisberg et al. Aegicerin, the first oleanane triterpene with wide-ranging antimycobacterial activity, isolated from Clavija procera. J. Nat. Prod. 69(5):845-6, 2006 Butterfly genome reveals promiscuous exchange of mimicry adaptations among species. Nature 487(7405):94-8, 2012 Species can be named from photos. Nature (2016) DESCRIBED LEIDOPTERA TAXA Genera Brevioleria 2004 Haenschia 2004 Myserla 2017 Oiticicastnia 1995 Pachacutia 2007 with Willmott Paititia 1979 Species About 140 Subspecies About 175 HONORS (Lepidoptera) Lamasa Johnson 1992 Lamasina Robbins 2002
Gerald Cecil Lalor
Gerald Cecil Lalor, Jamaican physical-chemist (Kingston 15 December 1930 – CONTRIBUTIONS With S.L. Martin. Studies on haematoxylin and haematein, the colouring principles of logwood. I. Absorption spectra of pure compounds in various solvents and a spectrophotometric method of analysis for haematoxylin and haematein. J. Soc. Dyers Colour. 75 (11):513-7, 1959 Developed a method for measuring the absorption spectra of both compounds in aqueous solutions under conditions which minimize the risk of oxidation. With S.L. Martin. Studies on haematoxylin and haematein, the colouring principles of logwood. II. Behaviour in aqueous solutions at varying pH, and the pK values. J. Soc. Dyers Colour. 75:517-21, 1959 A reaction vessel for kinetic studies below room temperature. J. Chem. Ed. 40:597, 1963 SOME BIBLIOGRAPHY With L. H. Fung & R. Rattray. Effect of cooking and extraction with simulated gastric juice on the cadmium content of selected foods. Jam. J. Science Techn. 16-7, 2005-6 With R.S. Garrett. The Fe/Na ratio, a framework for modeling trace element distributions in Jamaican soils. Geochem. Explor. Environm. Anal. 5(2):147-57, 2005 With C.N. Grant & M. Vutchkov. In situ gamma spectroscopic measurement of 41 Ar during neutron. Health Physics 87(5):568-72, 2004 With P.C. Onianwa & M. K. Vutchkov. Dry-ashing preconcentration for microreactor-based neutron activation analysis of food and plant samples. Int. J. Environm. Anal. Chem. 83(5):367-74, 2003 With C. Zhang. Multivariate outlier detection and redemption in geochemical databases. Science Total Environm. 281:99-109, 2000 With S.Bajue, P. Dasgupta & H. Robotham. Acid dissociation and nickel-complex formation constants of some nitroso naphthol sulphonate ligands. Polyhedron 8(4):473-7, 1989 With S.A. Bajue & K.L. Stuart. The preparation and properties of some cobalt (III) complexes of the 2-nitroso-l-naphthol-4-sulphonate and 2-nitroso-l-naphthol-ligands. J. Inorg. Nucl. Chem. 37:51, 1975 With G.A. Taylor. The reactions of cobalt compounds with nitroso-naphthols. IV. The stoicheiometry of the reaction between cobaltous and 1-nitroso-2-naphthols-3, 6 disulphonate ions. J. Inorg. Nucl. Chem. 35:4221-9, 1973 With A.W. Boyd & C. Willis. Isotope effects and hydrogen yields in the radiolysis of H2O-D2O mixtures at very high dose rates. Can. J. Chem. 50(1):83-92, 1972 The reactions of cobalt compounds with nitroso-naphthols. II. The mechanism of the reaction between cobaltous ion and l-nitroso-2-naphthol-3,6-disulphonic acid. J. Inorg. Nucl. Chem. 31:1783-9, 1969 The reactions of cobaltammines with l-nitroso-2-naphthol-3,6 disulphonic acid. J. Inorg. Nucl. Chem 30:1925-9, 1968 With G. Bushnell. Kinetics of the reaction between sodium hydroxide and chloropentaaminecobalt (III) perchlorate in aqueous solution. J. Inorg.Nuclear Chem. 30(1):219-23, 1968 Physico-chemical studies on haematein and haematoxylin (1956) With J. Lang. The kinetics of the reaction between nitro-pentamminecobalt (in)perchlorate and the hydroxide ion