John Douglas Lynch
John Douglas Lynch, US / Colombian herpetologist (Collins, Iowa State 30 July 1942 – DESCRIBED VALID AMPHIBIA TAXA Families Limnodynastidae 1969 Micrixalidae 2006 with Frost, Grant, Faivovich, Bain, Haas et al Nyctibatrachidae 2006 with Frost, Grant, Faivovich, Bain, Haas et al Odontophrynidae 1969 Ptychadenidae 2006 with Frost, Grant, Faivovich, Bain, Haas et al Genera Atelognathus 1978 Atopophrynus 1982 with Ruiz-Carranza Dischidodactylus 1979 Duttaphrynus 2006 with Frost, Grant, Faivovich, Bain, Haas et al Feihyla 2006 with Frost, Grant, Faivovich, Bain, Haas et al Hyalinobatrachium 1991 with Ruiz-Carranza Hydrophylax 2006 with Frost, Grant, Faivovich, Bain, Haas et al Ingerophrynus 2006 with Frost, Grant, Faivovich, Bain, Haas et al Kurixalus 2006 with Frost, Grant, Faivovich, Bain, Haas et al Poyntonophrynus 2006 with Frost, Grant, Faivovich, Bain, Haas et al Scythrophrys 1971 Sylvirana 2006 with Frost, Grant, Faivovich, Bain, Haas et al Vandijkophrynus 2006 with Frost, Grant, Faivovich, Bain, Haas et al Species Over 300 HONORS (Amphibia) Lynchophrys Laurent 1983 Lynchius Hedges, Duellman & Heinicke 2008 Rulyrana Guayasamín, Castroviejo-Fisher, Trueb, Ayarzaguena, Rada & Vila 2009
Joaquín López Figueroa
Joaquín López Figueroa, Argentine surgeon and anatomist (Salta 1868 – Buenos Aires 29 October 1926) Eponym of Lopez Figueroa femorocutaneous incisure
Joaquín Luco
Joaquín Luco Valenzuela, Chilean neurophysiologist (Santiago 18 July 1913 – Cartagena, Valparaiso Region, San Antonio Province 19 July 2002) ACHIEVEMENTS Discovered that neurons are able to learn Idealized a new perfusion system Nuevo sistema de perfusion con la preparación cardiopulmonar. Algunos aspectos de la regulación de la glicemia. Thesis, 1936 With A. Rosenblueth demonstrated that during prolonged stimulation of a motor nerve, neuromuscular fatigue is followed by a rise of tension known as Rosenblueth phenomenon (1939) Discovered fifth step in neuromuscular transmission With A. Rosenblueth. The fifth stage of neuromuscular transmission. Amer. J. Physiol. 126(1), 1939 Enunciated paradigm of short and large nerve With C. Eyzaguirre. Fibrillation and hypersensitivity to Ach in denervated muscle: effect of length of degenerating nerve fibers. J. Neurophysiol. 18(1):65-73, 1955 Performed important studies on learning and memory in invertebrates (employing Blatta orientalis) With L.C. Aranda. An electrical correlate to the process of learning. Experiments in Blatta orientalis. Nature 201:1330-1, 1964 With L.C. Aranda. Reversibility of electrical correlate to process of learning. Nature 209:205-6, 1966 Increase of synaptic efficacy as a correlate to learning in Blatta orientalis. Physiol. Behav. 21(5):743-7, 1978 Proved that the motor nerve possesses inductive properties that defines the gene expression of relevant macromolecules to the neural function in the innervations element With N.C. Inestrosa & B. Mendez. Acetylcholinesterase like that of skeletal muscle in smooth muscle reinnervated by a motor nerve. Nature 280(5722):504-6, 1979 Other contributions With M.I. Behrens. New concepts on homeostasis. Arch. Biol. Med. Exp. 13(2):209-12, 1980 With P.B. Dews & C.N. Woolsey. Brain research. Science 158(3803):951-8, 1967
Joaquín Llambías
Joaquín Llambías Mir, Argentine anatomical pathologist (Buenos Aires 14 July 1868 – Buenos Aires 27 November 1931) First to describe malformed hypertrophy of chitinous membrane in Hipertrofia malformante da membrana quitinosa (1925) Coined the term schwannoma for pointing out Schwann cells proliferation (1932) Described Llambías sign in acute appendicitis Authored Modalidad especial de uma forma de influenza (1903)
Jiaxi Lu
Jiaxi Lu, Chinese chemist (Xiamen, Fujian Province 26 October 1915 – 06 April 2001) Produced a structural model for the active center of nitrogenase (1973) Performed important contributions to chemical modeling of biological nitrogen fixation With E.W. Hughes determined the structure of hydrogen peroxide Put forward the polarizing factor for processing angle Determined trichosanthin spatial structure and established a molecular model for ribose coactivation First to successfully prepare highly concentrated radioactive halogens for quantitative research Devised Lu’s diagram or map Created Lp factor’s reciprocal in Weissenber angle of equi-inclination Synthesized and characterized a number of cluster compounds of various types Proposed the Unit Construction concept for rational synthesis of cluster compounds and the quasi-aromaticity concept for nuclear incomplete transition metal-clusters Headed the group that developed a series of new high-tech crystal material as BBO and LBO crystals
Jayme de Loyola e Silva
Jayme de Loyola e Silva, Brazilian carcinologist (Curitiba 01 October 1927 – Paraná 20 January 2017) DESCRIBED CRUSTACEA SPECIES Clianella castroi 1960 Cymodoce bentonica 1962 Cymodocella guarapariensis 1965 Cymothoa catarinensis 2003 with Thatcher, Jost & Souza Conceição Dynamenella tropica 1960 Dynoides brasiliensis 1960 Hexapanopeus heblingi 1998 with Rodrigues Parasthenocaris brasilibathynella 1962 with Jakobi Parasthenocaris hurdi 1962 with Jakobi Pseudosphaeroma jakobii 1959 Spheramene flausinae 1966 Sphaeromopsis mourei 1960 HONORS Subgenus Loyolanthidium Urban 2001 (Hymenoptera)