Luiz Cintra do Prado

Luiz Cintra do Prado, Brazilian engineer and physicist (Amparo, São Paulo State 16 December 1904 – São Paulo 28 February 1984) Composed some pieces for piano Introduced a number of original contributions to measurement’s technique A radioatividade das fontes hidrominerais (1938) Sobre uma fórmula simples e precisa para as correções barométricas. An. Acad. Bras. Cien. 13 (1941) Un nomogramme pour l’hygrometrie. Anais acad. Bras. Ciencias 16(3):181-4, 1944 An exponential form for the hereditary function in the termo-dielectric phenomenon. Anais Acad. Brasi. Ciencias 28(2):149-60, 1946 HONOURS Marquis World Who’s Who (1979-80)

Luis Peña Guzmán

Luis Enrique Peña Guzmán, Chilean entomologist (Santiago 25 January 1921- Santiago 27 September 1995) Authored 350 papers Collected and discovered many new species of insects, amphibians, reptilians, arachnids, birds and fossils in South America DESCRIBED ANIMALIA TAXA Coleoptera Genera Australocerambyx 1971 Epipodonta 1974 Eunycterinus 1971 Paranycterinus 1971 Ulumoides 1974 Another genus 1963 Species More than 100 between species between Coleoptera & Lepidoptera Aves Subspecies   Asthenes humicola goodalli 1989 with Marin & Kiff Diuca diuca chiloensis 1964 with Philippi Geositta rufipennis harrisoni 1989 with Marin & Kiff HONORS Luispenaia Martínez 1972 (Coleoptera) Penacoris Carvalho & Rosas 1966 (Hemiptera) Penaia Freytag & DeLong 1971 (Hemiptera) Penaincisalia Johnson 1990 (Lepidoptera) Penapis Michener 1965 (Hymenoptera) Penaphlebia Peters & Edmunds 1972 (Ephemeroptera) Penaus Freude 1968 (Coleoptera) Luchoelmis Spangler & Staines 2002 (Coleoptera)

Luis Jorge Poveda

Luis Jorge Poveda Alvarez, Costa Rican botanist and plant chemist (Turrialba 06 December 1945 – Authored over 70 scientific works DESCRIBED PLANTAE SPECIES Caryodaphnopsis burgeri 1988 with Zamora Coccoloba bejuco 1991 with Sanchez Copaifera camibar 1989 with Zamora & Sanchez Croton corinthius 2003 with Gonzalez Croton megistocarpus 2003 with Gonzalez Eugenia glandulosopunctata 1986 with Sanchez Ficus lasiosyce 2003 with Gonzalez Guettarda turrialbana 1988 with Zamora Hoffmannia stephaniae 2004 with Gonzalez Hymenaea osanigraseminae 2018 with Aguilar & Santamaria Inga coprocarpa 1991 with Zamora Jatropha costaricensis 1978 with Webster Krugiodendron acuminatum 2003 with Gonzalez Pouteria lecythidicarpa 1991 with Sanchez Roldana scandens 1992 with Kappelle Sclerolobium costaricense 1991 with Zamora Unonopsis theobromifolia 1988 with Zamora Verbesina tapantiana 1990 with Hammel HONORS Povedadaphne Burger 1988 (Lauraceae)

Luis Enrique Pierini

Luis Enrique Pierini, Italian-born Argentine dermatologist (Montecassiano, Macerata, Ancona Province 03 July 1899 – Buenos Aires 17 July 1987) Described Pasini-Pierini atrophoderma With D. Vivoli. Atrofodermia idiopatica progressiva (Pasini). Giorn. Ital. Mal. Vem. Pelle 77:403-9, 1936 Described melanotic prurigo or Pierini-Borda prurigo With J. M. Borda. Prurigo melanótico. Rev. Arg. Dermat. 3:32, 1947 Developed histamine test for diagnosis of leprosy Reacciones cutaneas de la histamine en dermatosis diversas. La Semana Medica 18:1159, 1931 

Luis de la Peña Auerbach

Luis Fernando de la Peña Auerbach, Mexican theoretical physicist (Texmelucan, Puebla State 23 July 1931 – Authored over 100 papers and 10 books A world pioneer in stochastic interpretation of quantum mechanics Proposed and developed a formalism of stochastic mechanics that allows proper distinction between classical and quantum stochastic processes Made central contributions to stochastic electrodynamics being invited to write the book The Quantum Dice: An Introduction to Stochastic Electrodynamics (1996) With A.M.Cetto. Simple relationship between energy and adiabatic invariants for systems with a power-law potential. Am. J. Physics 52:539-42, 1984 New formulation of Stochastic Theory and Quantum Mechanics. J. Math. Phys. 10:1620-30, 1969 A simple derivation of the Schroedinger equation from the theory of Markoff processes. Phys. Lett. 24A: 603-4, 1967

Luciano Palet

Luciano P.J. Palet, Argentine analytical chemist (died 1919) Sobre algunos reactivos nuevos generales de alcaloides y su uso microquimico. Rev. Politecn. 10:275-80, 1909 Proposed Suessoel, a new artificial edulcorant and sweetning compound (1914) Note sur une nouvelle reaction extremement sensible de l’apomorphine (1916) Developed a test for the detection of selenium in sulphuric acid based upon the color produced with aspidospermine in Anales Soc. Qui. Argentina 5:121-3, 1917 An extension of the application of a mixed solution of potassium ferricyanide and ferric chloride to the characterization of alkaloids, glucosides and other substances of vegetable origin. Ann. Soc. Quim. Arg. 6:156-8, 1918 A modified Flüeckiger method for the rapid detection of morphine in the chemico-toxicological analysis of viscera. Ann. Soc. Quim. Arg. 6, 1918 With A. Sabatini. Certains modifications of the Grandval and Lajoux method for the determination of nitrates in water. Bol. Min. Soc. Nac. Minería Chile(1919) Developed a reaction for aconitine in J. Pharm. Chim. 19:295-6, 1919 Developed a test for the identification of pyramidon based on production of a precipitate of Prussian blue known as Palet test or reaction  A new sensitive reaction for pyramidon and its differentiation from antipyrine. Anales Soc. Quim. Arg. 6:151-5, 1918