Roberto Hernán Gonzalez
Roberto Hernán Gonzalez Rodríguez, Chilean agricultural entomologist (1933 – DESCRIBED GENERA Hemiptera (with Miller in 1976) Chilecoccus Exallococcus Icelococcus Stibococcus Acari Chileseius 1962 with Schuster Mesoseiulus 1962 with Schuster Paraponychus 1977 with Flechtmann Summersiella 1967 HONORS Gonzalezinus Carvalho 1981 (Hemiptera) Gonzalezodoria Cortes 1967 (Diptera)
Roberto Gonzalez Tamayo
Jorge Roberto Gonzalez Tamayo, Mexican orchidologist (Ciudad de Mexico 13 November 1940 – Ciudad de Mexico 20 January 2014) DESCRIBED NEW ORCHIDACEAE TAXA Genera Coenoemersa 2010 with Lizbeth Hernandez Cutsis 1982 with Burns-Balogh & Greenwood Diskyphogyne 1996 with Szlachetko Gracielanthus 1995 with Szlachetko Hagsatera 1974 Nezahualcoyotlia 1996 Ochyrella 1996 with Szlachetko Zhukowskia 2000 with Szlachetko & Rutkowski Species About 110 HONORS Tamayorkis Szlachetko 1995 (Orchidaceae)
Richard Martin Gans
Richard Martin Gans, German-born Jewish Argentine physicist (Frankfurt am Main 07 March 1880 – City Bell, near La Plata 27 June 1954) Authored over 200 works Introduced the concept of residual permeability Proposed the law of reversible permeability Presented the first treatment of quantitative significance of elastic tension upon magnetization Performed theoretical and experimental studies about radiation absorption in solutions and determined the size of scattered particles in solutions that earned him international fame Developed an experimental method for hysteresis losses With R.G. Loyarte. Uber drehende hysteresis. Arch. F. Elektr. 3(6):139-50, 1915 With R. G. Loyarte gave the first qualitative theoretical explanation about ferromagnetic resonance absorption in Ann. Physik 64(4):209, 1921 Developed a special ultrafiltration method with collodium/acetic acid filter Demonstrated the depolarization degree constant of colloidal particles Deduced the formula relating depolarization degree and Kerr constant for colloidal particles Gave a simple deduction of eikonal theory With A. Pereyra Miguez proposed a thermodynamical integrator EPONYMY Rayleigh-Gans-Debye scattering Gans formula or equation Gans-Mrowka procedure for calculating directly the perturbation function LINKS http://inmabb.criba.edu.ar/revuma/pdf/v14n3/p100-108.pdf
Ricardo Magnus Osorio Galvao
Ricardo Magnus Osório Galvão, Brazilian physicist (Itajubá, Minas Gerais State 21 December 1947 – Polarization equation for a high-frequency EM wave propagating through a cold plasma. IEEE Trans. Plasm. Science 2(4):211-4, 1975 Co-demonstrated resonant absortion of Alfvén waves (197?) Co-authored a work about resistive instabilities in plasmas that became a reference in this field With B. Coppi, R. Pellat, M.N. Rosenblueth & P.H. Rutherford. Resistive internal kink modes. Sovietic J. Plasma Phys. 2:533, 1976 Showed a resistive mode with azimuthal mode number m equals 1 in reversed-field confinement configurations without shear With M.A.M. Santiago. Resistive instabilities in reversed-field confinement configurations without shear (1981) Showed a new resistive mode in rotating plasma columns Resistive mode in rotating plasma column including the Hall current. Physica BTC 122(2), 1983 Obtained general expressions for time and surface averaged radio frequency forces, affecting ions in closed toroidal devices With V.S. Tsypin, I.C. Nascimento, A. Elfimov, M. Tendler, C.A. de Azevedo & A. de Assis. Alfvén and fast wave forces, affecting íons in magnetic traps with closed magnetic surfaces. Physics of Plasmas 6(4):1378-81, 1999 Presented a new type of radio-frequency current drive in tokamaks With V.S. Tsypin, I.C. Nascimento & Y.K. Kuznetsov. On a bootstrap-like mechanism of radio frequency wave current drive in tokamaks (2000) With A. Fonseca, R.P. da Silva, Y. Kuznetsov, I.C. Nascimento & N. Cuevas. A model for plasma discharges simulation in Tokamak devices (2001) With Y.K. Kuznetsov, I.C. Nascimento, E. Sanada, D.O. Campos, A. Vannucci et al. New regime of runaway of discharges in tokamaks. Plasma Physics and Controlled 43(9):1181, 2001 Described an accurate and simple technique for plasma boundary determination in a tokamak from external magnetic measurements With Y.K. Kuznetsov, I.C. Nascimento & I.V. Yasin. Plasma boundary determination in ITER by the optimized current filament method (2002) Presented a new model of relaxation oscillations in runaway tokamak discharges With A. Elfimov. Whistler instability driven by relativistic electron tail in tokamaks (2003) Predicted the existence of novel confinement configurations in magnetized plasmas and coined diaceleric structures With F.E.M. da Silveira. Diaceleric structures in magnetized plasmas (2004) Showed the possibility of a new type of zonal-flow instability With A.B. Mikhailovskii, A. Smolyakov, V.S. Tsypin, E.A. Kovalisher & M. Shirokov. Neoclassical generation of toroidal zonal flow by drift wave turbulence. Physics of Plasmas 13(3), 2006 Presented a simple helical magnetohydrodynamic equilibrium with flow in which the vorticity is proportional to the current density With F.E.M. da Silveira. A possible model for snakes (2007) Demonstrated a new electron inertia regime With A.B. Mikhailovskii, J.G. Lominadze, A.P. Churikov, V.D. Pustovitov, N.S. Erokhin & V.S. Tsypin. High-frequency extensions of magnetorotational instability in astrophysical plasmas. Plasma Phys. Reports 34(8):678-87, 2008 Proposed Global Alfvén wave excitation as a mechanism to explain plasma heating in the magnetosphere of young stars With A. Elfimov, V. Jatenco-Pereira & R. Opher. Global Alfvén wave heating of the magnetosphere of young stars. Astrophys, J. 600 (1):292, 2008 Published a new method for determining the temporal evolution of plasma rotation With J.H.F. Severo, I.C. Nascimento, Y.K. Kuznetsov, Z.O. Guimarães Filho, M. Tendler et al. Temporal behavior of toroidal rotation velocity in the TCABR tokamak. Nuclear Fusion 49(11), 2009 Performed first simultaneous measurements of the Thomson scattering and electron cyclotron emission radiometer diagnostics performed at a tokamak with Alfvén wave heating. With M.P. Alonso, A.C.A. Figueiredo, F.O. Borges, J.I. Elizondo et al. Comparative electron temperature measurements of Thomson scattering and electron cyclotron emission diagnostics in TCABR plasmas. Rev. Sci. Instrum. 81(10), 2010 Published a new theoretical approach to microwave reflectometry in tokamaks With J. Tito Mendonça & C.H.S. Amador. A full wave theory of O-mode reflectometry with an intermediate level of turbulence (2013) SYSTEMS/DEVICES With L.F. Ruhko, E. Ozono, I.C. Nascimento, F.T. Degasperi & E. Lerche. Advanced antenna system for Alfvén wave plasma heating and current drive in TCABR Tokamak. Fusion Engin. Design 43(1):15-28, 1998 With J.A.S. da Matta, L.F. rucko, M.C.A. Fantini & P.K. Kiyohara. Description and characterization of a ECR plasma device developed for thin film deposition. Braz. J. Physics 33(1), 2003 With L.C. Mostaco-Guidolin, A.B. Frigori & L.F. Ruchko. SCTE: an open-source PERL framework for testing equipment control and data acquisition. Computer Physics Comm. 183(7), 2009 With G. Canal, L.F. Ruchko & H.O. Luna. Design and characterization of an plasma RF plasma cleaner. Braz. J. Physics 40(1):108-14, 2010 With P.P. Woskov, J. Stillerman, M. Porkolab, A. Fasoli, D. Testa et al. New digital control system for the JET Alfvén eigenmode active spectroscopic diagnostic (2012) With J.M.B. Pereira, R. Caetano & G. Cernicchiaro. Development of a SCADA system for a free Electron Laser operation. Notas tecnicas 5(3):1-9, 2015
Ricardo Guerrero
Ricardo A. Guerrero López Alcantara, Venezuelan parasitologist (fl.1969) DESCRIBED NEW TAXA Nematoda Genera Bisbalia 2003 with Bain Durettestrongylus 1982 Limonnema 1971 Monodelphoxyuris 2003 with Hugot Pseudostrongyluris 1971 Species Acanthostrongylus secundus 2019 Bisbalia vossi 2003 with Bain Cruzia empera 1971 Cyrnea (Procyrnea) ramirezi 1971 Durettestrongylus ojastii 1982 Hypocristata tercera 2006 with Durette-Desset Hystrignathus meridensis 1980 Hystrignathus popiliophagus 1980 Limonnema vali 1971 Litomosoides chitwoodi 2003 with Bain Litomosoides solarii 2002 with Bain Litomosoides taylori 2011 with Bain Litomosoides wilsoni 2002 with Bain Litomosoides yutajensis 2003 with Martin & Bain Longistriata torrealbai 1982 Molinema algardneri 2001 with Bain Molinema barbarae 2001 with Bain Molinema nattereri 2001 with Bain Molinema peruviensis 2001 with Bain Molineus inexpectatus 2000 with Durette-Desset & Boyer Monodelphoxyuris dollmeiri 2003 with Hugot Ornithostrongylus volcani 2000 with Durette-Desset & Boyer Oswaldocruzia manuensis 2013 Oswaldocruzia urubambaensis 2013 Oswaldocruzia venezuelensis 1996 with Ben Slimane & Durette-Desset Oxyspirura apapillata 1971 Oxyspirura diazungriai 1969 Oxyspirura guriensis 1969 Parastrongyloides neotropicalis 2016 Pseudostrongyluris polychrus 1971 Sciurodendrium gardneri 1994 Squamofilaria ungriai 1971 Spirocamallanus johnsoni 1971 Triumphalisnema acaudata 1980 Trypanoxyuris croizati 1994 with Hugot & Morand Urbanonema reyesi 1980 Vexillata scorzai 1982 Vexillata tejerai 1982 Viannaia barusi 1985 Viannaia bisbali 1985 Viannaia gabaldoni 1985 Viannaia guyanensis 1985 Viannaia minispicula 1985 Viannaia reigi 1985 Viannaia tenorai 1985 Viannaia venezuelensis 1985 Subspecies Mansonella (Tetrapetalonema) atelensis amazonae 2015 with Bain Acari Genus Paralawrenceocarpus 1992 Species Lawrenceocarpus delacruzi 1993 Lawrenceocarpus faini 1993 Lawrenceocarpus fudeci 1993 Lawrenceocarpus machadoallisoni 1993 Lawrenceocarpus ojastii 1993 Lawrenceocarpus terramaris 1993 Microtrombicula ecuadorensis 2018 with Yañez-Muñoz Parichoronyssus bakeri 2007 with Morales Radfordiella urdanetai 2006 Vercammenia neotropica 2018 with Yañez-Muñoz Diptera Species Basilia manu 1996 Trichobius anducei 1998 Trichobius hoffmannae 1996 with Morales Trichobius machadoallisoni 1998 Xenotrichobius linaresi 1998 Subspecies Trichobius dugessii phyllostomus 1998 Coleoptera Species Amblyopinodes amazonicus 1996 HONORS Guerrerostrongylus Sutton & Durette-Desset 1991 (Nematoda) LINKS http://izt.ciens.ucv.ve/izet/wp-content/uploads/2013/11/PUBLICACIONES-RICARDO-GUERRERO.pdf
Rebeca Gerschman
Rebeca Gerschman, Jewish Argentine biochemist (Carlos Casares, Buenos Aires Province 19 June 1903 – Buenos Aires 04 April 1986) Developed Gerschman-Marenzi method for studying changes in blood potassium concentration under distinct physiopathological conditions With A.D. Marenzi in Anales Farm. Bioquim. 3:107-11, 1932 Proposed the oxygen toxicity was due to free radicals and first introduced the notion that free radicals are toxic agents With D.L. Gilbert, S.W. Nye, D. Dwyer & W. O. Fenn. Oxygen poisoning and x-irradiation: a mechanism in common. Science 119:623, 1954 With W.O. Fenn, D.L Gilbert, D.E. Terwilliger & F.V. Cothran. Mutagenic effects of high oxygen tensions on Escherichia coli. Proc. Natl. Acad. Sci. USA 43(12):1027-32, 1957 Proposed a type of hyperbaric chamber Medicine & Physiology Nobel Prize nominee (1980s)