Chike Obi
Chukwunwike (Chike) Edozien Umezei Obi, Nigerian mathematician (Zaria, Kaduma 07 April 1921- Onitsha, Anambra State 13 May 2008) Gave monumental contribution to area of modelling with second order non-linear different equations Contributed to finding a solution to Fermat’s theorem (1994) Fermat’s last theorem. Algebras Group Geom. 15(3):289-98, 1998 A system of order 2 in which small subharmonics and large subharmonics coexist. Proc. Roy. Soc. Edinburgh Sect A 108(1-2):35-44, 1988 Analytical theory of non-linear oscillations. I. An existence theorem for periodic oscillations of equations of the second order. Proc. Cambridge Philos. Soc. 76:285-96, 1974 A non-linear differential equation of the second order with periodic solutions whose associated limit cycles are algebraic curves. J. London Math. Soc. 28:356-60, 1953 Received the International Centre for Theoretical Physics Prize 1985 “for significant contributions in the study of nonlinear ordinary differential equations with several parameters for which he established numerous results on the existence, number and some analytical expressions of harmonic, subharmonic or uniformly almost periodic solutions”
Carlos Ospina
Carlos Sebastián Ospina Delgado, Colombian civil engineer (Bitaco, La Cumbre, Valle del Cauca 27 June 1920 – Bogotá 19 October 2013) Internationally renowned as a consultant on projects as dams, tunnels, roads, bidges and mining projects Planned, designed and developed engineering projects such as roads, water supplies, electric power transmission and distribution and industrial plants, all of which characterized by innovative solutions He had been directly involved in 14 of the world’s greatest dam projects SOME BIBLIOGRAPHY With A. Marulanda. Colombian experience with NATM concepts. Felshau 6(4), 1998 Hydroelectric power in Colombia. Intern. Water Power Dam Constr. 39(7):33-8, 1987 With J. Montaña. The Laguneta Hydro-Electric Project. Water Power 3:104, 1959 With P.Z. Kirpich. Flood control aspects of Cauca Valley development. Proceed. Am. Soc. Civil Eng. 85(12147):1-34, 1959 Multi-layer penstocks and high-pressure wyes. Discussion. Proc. Amer. Soc. Civil Engrs. 83(6):1460, 1957 The Anchicaya power development. Water Power 8(3):100, 1956 Mechanical and electrical equipment for Colombia: Guavio project HONOURS Medal of Honor, US National Academy of Engineering (1999) Honorary Member, International Commission of Large Dams (2012)
Carlos Ochoa
Carlos Manuel Ochoa Nieves, Peruvian plant breeder and botanist (Cusco 27 November 1920 – Lima 11 February 2008) Gained international recognition as plant breeder and expert in economic botany Authored over 150 publications Described 88 species and 101 subspecies, varieties and forms in Solanaceae (about 70 are wild potato species) Created potato varieties such as Renacimiento, Yungay, Mantaro, antarqui e Tomasa Condemayta HONORS William Brown Center Award for Plant Genetic resources (2001) Distinguished Botanist, Society for Economic Botany (1997) Feinstein Hunger Award, Brown University (1994) Honorary Member, New York Academy of Sciences (1993) Houssay Prize, OAS (1992) Frank N. Meyer Medal, Crop Science Society of America (1991)
Carlos Augusto Costa Pires de Oliveira
Carlos Augusto Costa Pires de Oliveira, Brazilian otorhinolaryngologist (c.1942 – CONTRIBUTIONS With F. Bahmad Jr., S.R. de Palma, S.N. Merchant, R.L. Bezerra, C.E. Seidman & J.G. Seidman. Locus for familial migrainous vertigo disease maps to chromosome 5q35. Ann. Otol. Rhinol. Laryng. 118:670-6, 2009 METHODS With H.F. Oliveira, V.R. Bollela, W.T. Anselmo-Lima & M. Nakanishi. A feasible, low cost, reproductive lamb’s head model for endoscopic sinus surgery training. PLos One 12 (2017) With K.M.A. Sarmento, A.L.L. Sampaio & T.G.T. Santos. High-frequency conductive hearing loss as a diagnostic test for incomplete ossicular discontinuity in non-cholesteatomatous chronic suppurative otitis media. PLoS One 12:1-10, 2017 With E.R. Miranda & R.C.B. Bezerra. Intact bridge mastoidectomy modified. A folha Medica 109:187-90, 1994 With A.G.C. Costa & A.M. Braga. Intratemporal facial nerve grafting: a simplified effective technique. Rev. Bras. Cir. 83:127-30, 1993 HONORS Physician Recognition Award, American Medical Association (1977) International Scientist of the Year (2002)
Carlos Alberto O’Donell
Carlos Alberto O’Donell, Argentine botanist (Buenos Aires 11 October 1912 – San Miguel de Tucumán 14 February 1954) Authored over 60 works some of them dealing with plant anatomy Internationally known as an authority on Convolvulaceae family DESCRIBED VALID PLANTAE TAXA Genera Iseia (1953) Tetralocularia (1960) Species Bernardia argentinensis 1955 with Lourteig Bonamia boliviana 1950 Bonamia holti 1960 Convolvulus lilloi 1959 Convolvulus schulzei 1953 Ipomoea acutisepala 1950 Ipomoea altoparanaensis 1952 Ipomoea angustisepala 1953 Ipomoea asplundii 1952 Ipomoea cardenasiana 1950 Ipomoea cearensis 1953 Ipomoea cheirophylla 1959 Ipomoea chodatiana 1950 Ipomoea colombiana 1953 Ipomoea decemcornuta 1953 Ipomoea densibracteata 1950 Ipomoea descolei 1950 Ipomoea homotrichoidea 1948 Ipomoea jujuyensis 1948 Ipomoea killipiana 1950 Ipomoea lanuginosa 1950 Ipomoea lilloana 1950 Ipomoea longistaminea 1950 Ipomoea magniflora 1953 Ipomoea malpighiphila 1950 Ipomoea marginisepala 1950 Ipomoea oranensis 1948 Ipomoea padillae 1959 Ipomoea paludosa 1950 Ipomoea peredoi 1960 Ipomoea peruviana 1948 Ipomoea philipsonii 1953 Ipomoea pintoi 1953 Ipomoea piresii 1952 Ipomoea pittieri 1950 Ipomoea piurensis 1953 Ipomoea ramboi 1960 Ipomoea reticulata 1953 Ipomoea rubriflora 1959 Ipomoea santacruzensis 1952 Ipomoea santillani 1941 Ipomoea saopaulista 1953 Ipomoea schulziana 1948 Ipomoea squamisepala 1948 Ipomoea stuckertii 1948 Ipomoea suburceolata 1952 Ipomoea tarijensis 1960 Ipomoea theodori 1948 Ipomoea velardei 1948 Ipomoea volcanensis 1953 Jacquemontia anomala 1950 Jacquemontia bahiensis 1953 Jacquemontia decumbens 1950 Jacquemontia ekmanii 1950 Jacquemontia heterotricha 1950 Jacquemontia laxiflora 1960 Jacquemontia rojasiana 1950 Jacquemontia warmingii 1950 Jatropha peiranoi 1943 Kallstroemia tucumanensis 1939 with Descole & Lourteig Merremia hirsuta 1952 Plectocarpa rougesii 1939 with Descole & Lourteig Tetralocularia pennelii 1960 Tragia paxii 1941 with Lourteig HONORS Odonellia Robertson 1982 (Convolvulaceae)
Bibiano Fernandez Osorio y Tafall
José Manuel Ramón Bibiano Fernandez Osorio y Tafall, Spanish / Mexican hydrobiologist and economist (Pontevedra 03 December 1902 – Ciudad de Mexico 13 August 1990) Authored over 200 scientific works on hydrobiology and natural resources DESCRIBED TAXA Family Lophodiniaceae 1942 (Dinoflagellata) Genus Microdiaptomus 1942 (Crustacea) Species Crustacea Leptodiaptomus cuauhtemoci 1941 Microdiaptomus cokeri 1942 Dinoflagellata Ceratocorys alleni 1940 Lophodinium dadayi 1942 Parahistioneis pieltaini 1942 Prorocentrum mexicanum 1940 Tintinnopsis campbelli 1941 Protozoa Climacocylis balboana 1941 Codonellopsis colombiana 1941 Coxliella bolivari 1941 Daturella beltrani 1941 Luminella neocalifonica 1941 Petalotricha kofoidi 1941 Rhabdonella spiroides 1941 Schmidingerella mexicana 1941 Senosemella acapulcensis 1941 Senosemella nicaraguensis 1941 Trachelomonas amphoriformis 1942 Trachelomonas beltrani 1942 Trachelomonas spectabilis 1942 Trachelomonas veracruzana 1942 Xistonella americana 1941 HONOURS Tafallia Bonet 1946 (Collembola) Osorioichthys Casier 1954 (Fossil Pisces)