Pedro Ruiz Gallo
Pedro Ruiz Gallo, Peruvian military (Etén, Chiclayo Province 24 June 1831 – Callao 24 April 1880) Published a treatise about aerial navigation named Estudios Generales sobre navegación aerea y resolución de este importante problema (1878) INVENTIONS A musical Box consisting string-based (1841) Created a vaccine against small-pox (1856) Designed a flying aircraft El Ornitoptero much similar to motorized hang-glider (1878) In according to some sources invented a marine torpedo, a machine gun and one submarine
Pedro Miguel Ruiz Carranza
Pedro Miguel Ruiz Carranza, Colombian herpetologist (Bogotá 03 February 1932 – Bogotá 12 September 1998) DESCRIBED AMPHIBIA TAXA Valid Genera Osornophryne 1976 with Hernandez Hyalinobatrachium 1991 with Lynch Atopophrynus 1982 with Lynch Species 81 HONORS Rulyrana Guayasamín, Castroviejo-Fisher, Trueb, Ayarzaguena, Rada & Vila 2009 (Amphibia)
Paulo Ribenboim
Paulo Ribenboim, Brazilian-born Canadian mathematician (Recife 13 March 1928- Authored nearly 120 works INTRODUCED The notion of the rings of generalized power series The notion of the P-torsion subgroup of a group Several types of realization of groups A general fixed-point theorem for multivalued mappings defined on generalized ultrametric spaces (with S. Priess-Crampe) EPONYMY Ribenboim approximation theorem Ribenboim fixed-point theorem Krull-Ribenboim approximation Ribenboim functions Ribenboim generalized formal power series
Paulino Recch
Paulino Moser Recch, Brazilian amateur entomologist and botanist (Amparo, São Paulo State 26 November 1886 – 1970) From Tirolese descent Studied hybridization and genetic amelioration of orchids and grapevines Honored in genus Recchia Lane 1966 (Coleoptera)
Patcha Ramachandra Rao
Patcha Ramachandra Rao, Indian metallurgist (Kavutavaram, Andhra Pradesh 21 March 1942 – Madurai, Coimbatore 10 January 2010) Expert on physical metallurgy and materials science Authored over 230 research papers ACHIEVEMENTS Discovered novel intermetallic phases and phases with 5-fold rotational symmetry Discovered a new class of quasicrystals in magnesium alloys Proposed a standard expression of free energy of the undercooled liquid for thermodynamic treatment of under cooled liquids Successfully synthesized calcium carmonate, calcium hydroxyl apatite and some nanocrystals through biomimetics Developed a number of innovative techniques for the preparation, characterization and modeling of metastable products including the first ever predesigned quasicrystalline alloy With G.V.S. Sastry blazed a new path in the synthesis of quasicrystals Held 20 patents PATENTS (incomplete list) With A. Agrawal, I. Chattoraj & G.V. Kumar Puvvada. Process for recover of gallium (2002) With S. Das, V. Rao, A. Sinha, J. Chakraborty & S.K. Das. Process for the preparation of nanosized iron oxide by biomimetic route (2002) With A. Agarwal, S. Nayar, A. Sinha & V. Rao. A process for the preparation of nanosized hydroxyapatite (2002) With S. Das, S.K. Mishra & R.P. Goel. Process for the production of zirconium boride powder (1997) With D.K. Biswas, K.K. Mishra, B.K. Mitra, S.D. Singh & K.K. Singh. A composition for the preparation of refractory useful for oil/gas based melting furnaces (1997) With V. Rao & A. Sinha. Process for the production of neodymium-iron-boron-permanent magnet alloy powder (1994)
Pasumamula Narayan Rao
Pasumamula Narayan Rao, Indian helminthologist (Hyderabad 09 August 1927 – DESCRIBED NEMATODA GENERA Corydiella 1965 with Rao Psilocephala 1958 Pteronemella 1958 Singhiella 1958 Spininematoides 1985 with Anand Travassossinema 1958 HONORS Raonema Kloss 1966 (Nematoda)