Gustaf Edwall

Gustaf Edwall, Swedish-born Brazilian botanist (Karlstad, Sweden 07 June 1862 – São Paulo 1946) DESCRIBED PLANT SPECIES Bacopa gratioloides 1897 Chytroglossa paulensis 1903 Encyclia sessiliflora 1903 Habenaria novaesii 1937 with Hoehne Parentucellia viscosa Restrepia crassifolia 1903 Vanilla dietschiana 1903 HONORS Edwallia Hempel 1899 (Hemiptera)

George Francis Rayner Ellis

George Francis Rayner Ellis, South African cosmologist and theoretical physicist (Johannesburg 11 August 1939 – Regarded as one of the world’s leading theorists in cosmology Authored over 500 papers Theorized a cylindrical steady-state universe with naked singularity as recycling mechanism Discovered the Sculptor Wall (1990) With A. Maurellis, A.P. Fairall & D. R. Matravers. A two-dimensional sheet of galaxies between two southern voids. Astron. Astrophys. 229:75-79, 1990  Eponym of Ellis wormhole SOME BIBLIOGRAPHY The physics and geometry of the early Universe: changing viewpoints. Q.J. Roy. Astron. Soc. 34:315, 1993 With T. Rothman. Lost horizons. Am. J. Phys. 61:93, 1993 With M. Madsen. Exact scalar field cosmologies.  Class. Quantum Grav. 8:667, 1991 With D.H. Lyth and M.B. Mijic. Inflationary models with Ω not equal to 1 Phys. Lett. B 271:52, 1991 The evolution of inhomogeneities in expanding Newtonian cosmologies. Mon. Not. Roy. Ast. Soc. 243:509, 1990 With M. Bruni. Covariant and gauge-invariant approach to cosmological density fluctuations. Phys.Rev. D 40:1804, 1989 Horizons in inflationary universes. Class. Quantum Grav. 5:207, 1988 With W.R. Stoeger. The fitting problem in cosmology. Class. Quantum Grav. 4:1679, 1987 With G. Schreiber. Observational and dynamic properties of small universes. Phys. Lett. A 115: 97, 1986 With S.D. Nel, W. Stoeger, R. Maartens & A.P. Whitman. Ideal observational cosmology. Phys. Rep. 124:315, 1985 Alternatives to big bang. Ann. Rev. Astron. Astrophys. 22:157, 1984 With J.J. Perry & A. Sievers. Cosmological observations of galaxies: the observational map. Astron. J. 89:1124, 1984 With J. Baldwin. On the expected anisotropy of radio source counts Mon. Not. R. Astron. Soc. 206:377, 1984 Limits to verification in cosmology. Ann. N.Y. Acad. Sci. 336:130, 1980 With R. Maartens & S.D. Nel. The expansion of the universe Mon. Not. R. Astron. Soc. 184:439, 1978 Cosmology and verifiability. Q.J.R. Astron. Soc. 16:245, 1975 With A.R.King. Was the big bang a whimper? Commun. Math. Phys. 38:119, 1974 Topology and cosmology. Gen. Rel. Grav. 2:71, 1971 With M.A.H. MacCallum. A class of homogeneous cosmological models. Commun. Math. Phys. 12: 108, 1969 Dynamics of pressure-free matter in general relativity. J. Math. Phys. 8:1171, 1967  OFFICES President, International Society for Science and Religion President, International Society on General Relativity and Gravitation (1989-92)

Fritz Eikenberg

Wilhelm Fritz Eikenberg Jennessen, German-born Peruvian engineer (1942 – PATENTS Mixed contact (1995) Split thread ring (1995) Round shank (1997) Appliance for round fluorescent (2000) Flat thread crosshead for threefold plug of universal junction (2001) Strain flat shank (2002) Rectangular and/or round cover cap with hinged ears for flush-mounted junction boxes (2005) Sliding caps chassis frame (2007) Flat or round shanks universal adapter for plugs (2009) Sliding caps lily frame (2012)

Francisco Javier Estrada

José Francisco Javier Severiano Adolfo Estrada Murguia, Mexican physicist (San Luis Potosi 11 February 1838 – San Luis Potosi 12 February 1904) First to obtain light from electrc arc in Americas Proposed the use of telephone as a system of detection of earthquakes and volcanic eruptions (1883) before an Italian Showed that the plant Phytolacca electrica has electric and magnetic properties Showed the indefinite reproduction of static electricity (1874) It is said that developed the wireless telegraphy before Italian G. Marconi INVENTIONS/MODIFICATIONS/IMPROVEMENTS Two telegraphic printers (1877) Maxima and minima automated barometer Improved galvanoplasty procedures and invented many of them An electric dynamo engine similar to Grammme’s (1868) (for which won a prize in United States) A new device for measuring the speed of electric currents Many new systems of duplex telegraphic transmission (1879-81) Four simulcast devices (1879-81) An improved Cooper telegraph (1881) A new keyboard manipulator for Morse code (1881) A metallic thermometer (1874) An electric piano (1878) A little mantle gas lamp (1895) A new electrical communication system between railway telegraphs and moving trains (1886) An electric network Electro-magnetic geological balance. A new study proposed to science. The compasses reformed (1900), a simple device for predicting earthquakes and volcanic eruptions and studying the underground layers in general (1895) A long distance transmitting microphone (1881) New telephone transmission system with improved telephones (1881-2) Introduced improvements to Bell telephone Siphon-polarized rapid receiver (1883) Variable resistance differential rheostat (1887) An electric recording and warning sismometer Sismophone (1894) New procedures for applying electricity to military strategies A fireless steam engine employing ice as fuel (1874) A patent about the production and bottling of sparkling wines and effervescent alcoholic liqueurs HONOURS Fellow, Academie des Sciences Physiques de Paris LINKS Lat.Am.J. Phys.Educ. 1(1):101-8, 2007 

Francisco Javier Escalante

Francisco Javier Escalante Plancarte, Mexican astronomer and engineer (Morelia, Michoacán State 1887 – Ciudad de Mexico 03 March 1972) SOME BIBLIOGRAPHY With L.E. López. Las partes del mundo marciano y sus divisiones convencionales (1956) El planeta Marte (1963) HONORS Escalante crater on Mars

Fernando Etayo Serna

Fernando Etayo Serna, Colombian geologist and paleontologist (Ulloa, Valle del Cauca 06 January 1942 – DESCRIBED FOSSIL MOLLUSCA / AMMONITES TAXA Genera Buenoceras 1979 Carloscaceresiceras 1979 Codazziceras 1979 Corteziceras 1979 Franciscoites 1979 Gloriaceras 1979 Hubachia 1979 Jaumaporta 1979 Johnwyattia 1979 Juandurhamiceras 1979 Pseudoptychoceras 1979 Ralphimlayites 1979 Riedelites 1979 Rinconiceras 1979 Santafecites 1985 Stantonia 1979 Stoyanowiceras 1979 Zambranoites 1979 Subgenera Bowlesia 1979 Buergliceras 1968 Colomboceratoides 1979 Jaumaportaiceras 1979 Merriamella 1979 Sohlitella 1979 Species Over 100 Others Fossil Reptilia Genera Padillasaurus 2015 with Carballido, Pol, Parra, Padilla & Paramo Sternorhynchus 2016 with Paramo, Gómez Perez & Noé Species Padillasaurus leivaensis 2015 with Carballido, Pol, Parra, Padilla & Paramo Sternorhynchus munozi 2016 with Paramo, Gómez Perez & Noé HONORS (Fossil) Etayoa Villarroel 1987 (Mammalia) Notoetayoa Gelfo, López & Bond 2008 (Mammalia) Etayosernella M.R. Cooper 2023 (Mollusca)