Juan Papadakis
Juan S. Papadakis, Greek / Argentine agronomist, climatologist and statistician (Naxos 28 March 1903 – 1997) Developed new varieties of wheat Improved concepts and methodologies in climatology Developed the concept of monthly climate (1975) Proposed a new climatic classification (1966) First proposed the idea of extracting information from neighboring experimental plots as a means of controlling for variation (1920) A rapid method for determining soil moisture. Soil Science 51(4):279-82, 1941 Authored Geografia Agrícola Mundial (Agricultural Geography of the World), the first work of this kind in the world (1952) EPONYMY Papadakis climate diagram Papadakis potential evapotranspiration method Papadakis constant (0,5625) Papadakis method of adjustment for fertility indices Papadakis iterated method (1970) Papadakis covariance method (1937) Papadakis estimators Kriged Papadakis residual Papadakis covariate Papadakis analysis
Juan José Padilla
Juan José Padilla, Guatemalan priest and scientist (died 17 July 1749) Built public clocks with improvements Developed a cylinder music box Performed astronomical calculations Authored over 20 works on sciences, philology, religion and other themes SOME BIBLIOGRAPHY Arte de Perspectiva Noticia breve de todas las reglas más principales de la Arithmetica Practica Arte de la musica combinatória com que aún los menos diestros pueden componer facilmente Arte para saber las naciones y eclipses con solo el uso de la Aritmetica Arte de Aritmetica Practica (1732) Ortografia latina y castellana (1733) Baratillos matemáticos o miscelanea de experimentos físicos, maquinas, etc Tratado de hacer y componer relojes La rueda de la fortuna Cronicon de Guatemala Resoluciones de cosas dificiles de liturgia y moral Cartilla eclesiastica perpetua para Guatemala Almanaque para 85 años desde 1735, arreglado al hemisfério de Guatemala Arte para hacer pronósticos caldaicos y tablas astronômicas para Guatemala
Juan Ignacio Puiggari
Juan Ignácio Puiggari, Spanish-born Brazilian plant and fungi collector (Barcelona 03 May1823 – São Paulo 07 August 1900) SOME BIBLIOGRAPHY Noticia sobre algunas criptogámas nuevas halladas en Apiahy, provincia de San Pablo en el Brasil. An. Soc. Cient. Arg. 11:201-16, 1881 Noticia de algunas diatomeas y otras algas microscópicas observadas en Barcelona HONORS Puiggariella Brotherus 1908 (Musci) Puiggariopsis Menzel 1992 (Musci) Puiggaria Bolivar 1887 (Orthoptera)
Juan de Palafox y Calva Galvez
Juan de Palafox y Calva Galvez, Mexican mathematician and clockmaker (born in Puebla XVIII century) INVENTED Designed and built a new instrument to grind wheat (1732) A new instrument to make and sharpen metallic files (1739) Cyclometer (1732) An odometer (1738)
Juan Arnaldo Pisano
Juan Arnaldo Pisano, Argentine paleontologist (? – 1967) Described fossil species Phtoramys hidalguense 1965 with Pascual & Ortega SOME BIBLIOGRAPHY Um nuevo significativo caso de adición prismatica observada en el premolar cuarto (p4) inferior de um ejemplar del gênero Cavia (Rodentia, Caviidae). Ameghiniana 3(6), 1964 Resultados de la aplicación del método estratigráfico em la explotación de um paradero indígena en Cañada Honda (Provincia de Buenos Aires). A propósito de la presencia de cuevas de vizcachas (1959) With J.F. Bonaparte. Dos nuevos paraderos indigenas neolíticos de la cuenca del Río Luján. Industria lítica (1950) HONORS (Fossil) Pisanosaurus Casamiquela 1967 (Reptilia) Pisanodon Zetti 1972 (Mammalia)
João Murça Pires
João Murça Pires, Brazilian botanist (Bariri, São Paulo State 08 July 1917 – Belém 21 December 1994) Authored 65 papers Performed the first employment of Preston lognormal curve for ecological analysis of tropical trees communities With T.H. Dobzhansky & G.A. Black. An estimate of the number of species of trees in an Amazonian Forest Community. Botanical Gazette 114(4):467-77, 1953 With G. O. Castro & N.T. da Silva authored the paper Application of some phytosociological techniques to Brazilian rain forest. Amer. J. Bot. 43(10):911-41, 1956 with great repercussion in this field DESCRIBED PLANTAE TAXA Family Saccifoliaceae 1978 with Maguire Genera Belemia 1981 (Nyctaginaceae) Froesia 1948 (Quiinaceae) Saccifolium 1978 with Maguire (Saccifoliaceae) Species Anacardium negrense 1948 with Froes Anisophylla manausensis 1971 with Rodrigues Belemia fucsioides 1981 Chrysophyllum anomalum 1960 Cnestidium froesii 1954 Corythophora amapaensis 1981 Croton diasii 2001 (posthumous) Dicella amazonica 1960 Diospyros cachimboensis 1960 with Cavalcante Diospyros capimnensis 1960 with Cavalcante Diospyros egleri 1960 with Cavalcante Discophora froesii 1960 Froesia crassiflora 1950 with Froes Froesia tricarpa 1948 Hevea camargoana 1961 Lacunaria opositifolia 1954 Lacunaria umbonata 1954 Manilkara cavalcantei 1990 Micropholis submarginalis 1990 with Penn Ormosia heterophylla 1960 Ormosia tapajosensis 1960 Pouteria amapaensis 1990 with Penn Pouteria brevensis 1960 Pouteria exstaminodia 1990 with Penn Pouteria jariensis 1990 with Penn Pouteria oblanceolata 1960 Pouteria rodriguesiana 1990 with Penn Pouteria tarumanensis 1960 Pouteria tenuisepala 1990 with Penn Pouteria ucuqui 1950 with Schultes Pradosia granulosa 1990 with Penn Quiina blackii 1950 Quiina brevensis 1960 Quiina duckei 1950 Quiina guaporensis 1960 Quiina maguirei 1969 Quiina oiapocensis 1960 Quiina paraensis 1950 Quiina rigidifolia 1950 Quiina wurdackii 1960 Saccifolium bandeirae 1978 with Maguire Strychnos bovetiana 1960 Theobroma canumaense 1964 with Froes Touroulia amazonica 1950 with Foster HONORS (Poaceae) Piresia Swallen 1964 Piresiella Judziewicz, Zuloaga & Morrone 1993