Federico Ahlfeld

Federico (Friedrich) Adolf Ernst Ahlfeld, German-born Bolivian geologist and mineralogist (Marburg an der Lahn 06 October 1892 – La Paz 09 January 1982) Authored 186 works Described the mineral species ramdohrite (1930) & angelellite (1959) With R. Herzenberg described the mineral blockite (1935) from which others researchers described and named penroseite (1937) With J. Muñoz Reyes first to describe the mineral mandarinoite but didn’t named it (1955) With J. Muñoz Reyes first to observe and describe the mineral selenolite (1955) later described and named downeyite SOME BIBLIOGRAPHY Mineralogia Boliviana (1966) Geologia de Bolivia. Rev. Museo La Plata (1946) Estudios geológicos de yacimientos minerales de la Provincia de Jujuy (1948) HONORS Ahlfeldite Ramdohr 1935 (Mineral)

Farhad Ardalan

Farhad Ardalan, Iranian physicist (Tehran 03 November 1939 – Internationally recognized for his work in superstring theory With F. Mansouri proposed the para-string theory (1974) With H. Arfaei classified 11-dimensional supergravity solutions with a quotient structure (1986) With M. Abolhassan constructed modular invariant partition functions for Wess-Zumino-Witten-Novikov models via orbifold method (1994) Discovered non-commutativity in D-branes of string theory (1999) Co-discovered a new boson with a mass of 125 GeV (2012) 

Erol Akyol

Erol Akyol, Turkish palynologist (1934 – 2002) DESCRIBED FOSSIL POLLEN/SPORAE TAXA Genera Auriculimembranospora 1978 Cadiosporites 1967 with Agrali Echinatosporites 1964 Heliosaccipollenites 1967 with Agrali   Hezarfenosporites 1975 Kyrtomisporites 1967 with Agrali Lunatipollenites 1967 with Agrali Rhizomapollenites 1967 with Agrali Species About 130 (1964-99) HONORS Akyolisporites Agrali 1969 (Fossil Pollen/Sporae)

Enrique Acosta Mayor

Enrique Acosta Mayor, Cuban microbiologist (La Habana 15 April 1861- La Habana 16 October 1911) A new procedure for preparation of gelatin of culture media With F. Grande. Medios de cultivo. Nuevo procedimento para preparar a gelatina. Cron Med-Cir. 14, 1892 With F. Grande Rossi described the fungal species Cladothrix invulnerabilis (1893) With F. Grande. Ureometro pratico (1892) With J.N. Davalos developed an improved procedure of Emile Roux for production of antidiphtheria vaccine (praised by Roux) (1894)

Elias Humberto Alves

Elias Humberto Alves, Brazilian logician and philosopher (Guaranésia, Minas Gerais State 17 February 1936 – São Paulo 04 November 2013) Demonstrated the independence of axioms of the propositional calculus C1 axioms (1976) Introduced the first systems of natural deduction for the logics Cn Developed higher-order versions of Da Costa paraconsistent predicate logics Solved definitely the problem of the decidability of logics Cn based on the semantics of quasi-matrices (1976) Demonstrated the decidability of the propositional logics Cn (1976) With A. Loparic modified certain conditions in valuation definition (1980) With A. Loparic introduced a bivalent semantics and a decision method for Da Costa logics Cω (1980) LINKS http://www.uff.br/ebl/slides/elias_alves.pdf

Edward Ayensu

Edward Solomon Ayensu, Ghanaian botanist and economist (Sekondi 28 Aug 1935 – DESCRIBED VELLOZIACEAE PLANTS TAXA Genus Nanuza with L.B. Smith 3 sections 61 species 4 varieties HONORS Ayensua L.B. Smith 1969 (Bromeliaceae)