Jehangir Fardunji Dastur
Jehangir Fardunji Dastur, Indian plant pathologist and mycologist (Bhavnagar, Gujrat 10 September 1886 – Bombay 01 May 1971) Authored over 36 original papers and memoirs PLANT DISEASES Discovered Phytophthora parasitica responsible for blight of castor oil plants (1913) First reported white tip disease of rice (1936) Described “pan sukh” disease of rice plant (c.1937) Described two new diseases of potato: leaf rot and tuber rot (1948) DESCRIBED FUNGI SPECIES Botryobasidium album 1946 Cochliobolus tritici 1942 Corticium album 1940 Vermicularia indica 1934 HONORS Dasturella Mundkur & Kheswalla 1943 (Fungi)
Jagdeshwari Dayal
Jagdeshwari Dayal, Indian helminthologist (Lucknow 1898 – 25 March 1955) DESCRIBED HELMINTHS TAXA Families Leptophallidae 1938 Sphaerostomatidae 1934 with Thapar Genera Assamia 1953 with Gupta Brahamputotrema 1953 with Gupta Cotylogonoporum 1934 with Thapar Eucreadium 1942 Ganadotrema 1949 Gauhatiana 1953 with Gupta Gorgotrema 1938 Neobucephalopsis 1948 Neoganada 1938 Neopodocotyle 1944 Neoprosorhynchus 1947 Nizamia 1938 Oudhia 1953 with Gupta Phyllochorus 1938 Plesiodistomum 1949 Pseudohaplorchis 1949 Thaparotrema 1953 with Gupta
Jacques Danon
Jacques Abulafia Danon, Brazilian physical chemist (Santos, São Paulo State 23 August 1924 – Paris 30 October 1989) From Sephardic Jewish heritage Recognized all over the world as one of the founders of Mossbauer chemical and solid state spectroscopy International authority on Mossbauer effect Authored about 160 papers and 6 books ACHIEVEMENTS Clarified important aspects of the chemistry of iron compounds and of metallic iron Established a link between the hyperfine parameters measured by Mossbauer spectroscopy and the bonding between the atoms in a solid or a molecule (1963-6) Nuclear isomer shift and convalency in iron complexes. J. Chem. Phys. 39:236-7, 1963 Electronic structure of transition metal complex which nitrosyl ligand Mossbauer investigation. J. Chem. Phys. 41:3374-84, 1964 Developed a formalism describing the electronic structure of transition impurities in simple, noble and transition metals With X.A. da Silva & A.A. Gomes. Phys. Rev. B4 1161 & 1168, 1971 With J.M. Knudsen discovered an iron nickel alloy which can only be produced in high energy particle accelerators Performed important discoveries in magnetic microorganisms Discovered magnetotactic algae With H. G.P. Lins de Barros, D.M.S. Esquivel & L.P.H. de Oliveira. Magnetotactic algae. An. Acad. Bras. Ciencias 54:258-9, 1982 Other important results With D.M.S. Esquivel, H.G.P. Lins de Barros, M. Farina & P.H.A. Aragão. Microorganismes magnetotactiques de la region de Rio de Janeiro. Biol. Cell. 47:227-34, 1983 With M. Farina, H.G.P. Lins de Barros & D.M.S. Esquivel. Electron microscopy and ultrastructure of a magnetotactic microorganism. Biol. Cell. 48:85-8, 1983 Improved many laboratory techniques Indicated new procedures for dating objects and minerals (e.g. thermo luminescence) With H. Macedo & A.A.L. Zamith. A stochastic theory of chromatography (1958) Authored An Introduction to Mossbauer spectroscopy Papers in Nature With R.B. Scorzelli, I.S. Azevedo, J. Laugier & A. Chamberod. Santa Catharina meteorite and phase composition of irradiated Fe-Ni invar alloys. Nature 284:537-8, 1980 With R.B. Scorzelli, I.S. Azevedo, W.C. Curvello, J.F. Albertsen & J.M.Knudsen. Iron-nickel 50-50 Superstructure in the Santa Catharina meteorite. Nature 277:283-4, 1979 With R.B. Scorzelli, I.S. Azevedo & M.C. Michel-Levy. Iron-nickel superstructure in metal particles of chondrites. Nature 281:469-71, 1979 With A.A.L. Zamith. Solvent extraction of polonium from nitric acid solutions. Nature 177:746-7, 1956 HONORS Chairman, II Panel on Applications of the Mossbauer effect its Science and Technology, Atomic Energy International Agency, Vienna (1974) Chairman, Spring School about Mossbauer Spectroscopy, Hurfeld, Germany (1975) Danonite Mattievich, Amorim, Amaral Jr., Torres-Tapia & Domínguez 1997 (Synthetic mixed valence iron arsenate)
Ignacio Domeyko
Ignacy Domeyko, Polish/Lithuanian Chilean mineralogist, geologist, meteorologist and etnographer (Niedzwiadka, Korelichi District, Belarus 31 August 1802 – Santiago de Chile 23 January 1889) Born into a family of Polish-speaking Lithuanian noblemen Authored over 400 reports on mineralogy, geology, geography, physics and ethnography Authored Elementos de Mineralogia que compreenda principalmente las especies minerales de Chili, Bolivia, Peru y Provincias Argentinas (1844) Authored Araucania y sus habitantes (1845) that was translated into many languages as Polish, French and German Discovered and described 27 new mineral species such as archevite, ammiolite, bolivite, bordosite, chileite, copiapite, coquimbite, daubreeite, embolite (1844), mottramite (1848), nantokite, philippite, schwarzembergite (1864), taznite, tocornalite (1867), krohnkite (1879) and tamarugite (1883) HONORS Genus Domeykoa Philippi 1860 (Apiaceae) Genus Domeykosaurus Rubilar & Vargas 2003 (Fossil Reptilia) Domeykite Haidinger 1854 (Mineral) Asteroid Domeyko 2784
Horacio Descole
Horacio Raul Descole Torres, Argentine botanist (Avellaneda, Buenos Aires Province 06 February 1910 – Tucumán Province 16 February 1984) DESCRIBED PLANT TAXA Sections (Calceolariaceae) Phyllophorus 1954 with Borsini Rosula 1954 with Borsini Species Alternanthera tucumana 1939 with Lillo, O’Donell & Lourteig Angelonia evitae 1950 with Borsini Calceolaria lilloi 1955 with Borsini Calceolaria pennelli 1955 with Borsini Calceolaria ruizlealii 1954 with Borsini Calceolaria ruiz-pavoni 1954 with Borsini Calceolaria tucumana 1942 Euphrasia piossekii 1955 with Borsini Hoffmannia australis 1939 with Lillo, O’Donell & Lourteig Kallstroemia tucumanensis 1939 with O’Donell & Lourteig Plectocarpa rougesii 1939 with O’Donell & Lourteig Schubertia schreiteri 1941 with Meyer Trechonaetes rotacea 1939 with Lillo, O’Donell & Lourteig HONORS Descolea Singer 1952 (Fungi) Descoleia Aczel 1956 (Diptera) Mesodescolea Archangelsky 1963 (Fossil Plantae) See WWW.archivo.unt.edu.ar/attachments/059_brito.pdf (in Spanish)
Horacio Damianovich
Horacio Jaime Damianovich Cuyas, Argentine chemist (Buenos Aires 11 January 1883 – Buenos Aires 26 November 1959) From Serbian, Greek and Spanish descent ACHIEVEMENTS Performed important studies on chemistry of noble gases being invited by Societe Chimique de France to expose his researches in 1937 One of the first in the world to obtain derivatives of noble gases Studied in detail the adsorption of helium on metal surfaces (1920-40) Made significant contribution to the understanding of helides Obtained the first stable compounds of helium (1937) Conceived a metabolimeter Metabolimetre à circuit ouvert pour usage clinique. Compt. Rend. Hebd. Soc. Biol. 88, 1923 Developed Damianovich-Catan method With M.A. Catan. Las vitaminas en el metabolismo de la levedura. Anales Inst. Modelo Clin. Med. 5:98, 1920 With M. Guitarte. Procedimiento mecânico para la resolución de las ecuaciones y representación gráfica de las funciones (1908) SOME BIBLIOGRAPHY With L. Guglialmelli. Contribución al studio de los albuminoides. Rev. Gen. Mat. Color. 163, 1909 Studie uber die Schiffsche reaction und den dabei entstehenden Farbstoff. Rev. Mat. Color. 14:39-46, With L. Guglialmelli. Action des matieres colorants organiques artificielles sur l’hidrolyse diastasique des albuminoides. Rev. Gen. Mat. Color. 18:269, 19?? Aplicaciones experimentales a la biologia de las propriedades de las soluciones coloidales. Na. Mus. Nac. Buenos Aires 13(3):, 1910 The chemistry of helium and analogous elements. III. Bases for the establishment of a chemistry of the inert gases. Anales Asoc. Quim. Arg. Ultraviolet absorption spectra of extracts containing vitamins. Anales Asoc. Quim. Arg. 10:209-14, 1912 Sur quelques problems de cinétique chimique. Accélération, induction et vitesse dans Le transformations isothermiques. Anales Soc. Quim. Arg. 1:289, 1914 The inertia and the chemical activity of the rare gases. II. Obtaining stable compounds by the action of helium on platinum, activated by cathodic evaporation. A report of researches on vitamine B states accelerates the action of diastatic processes, internal and external secretions, and the synthesis of nucleins. Compt. Rend. Soc. Biol. 85:591-2, 1921 With A.T. Williams. Spectrophotométrie ultraviolette., etc. (acides nucléiques et derives). Anales Soc. Cient. Arg. 98:241, 1924 With A.T. Williams. Ultra-violet spectrophotometry as a method of examining the mechanism of certain chemical reactions and as a method of qualitative and quantitative determination. Anales Soc. Cient. Arg. 98, 1924 With J. Pirosky. Verwendung der Mikrophotographie mit Ultraviolettem licht um veranderungen durch die Reagenzien in der Histologie aufzudecken. An. Inst. Modelo Clin. Med. 10(1):147-61, 1927 La loi de production de l’hélium par le radium. Résultats obtenus jusqu’a present et nouvelles experiences. Anales Soc. Cient. Arg. 124:229-34, 1937 With P. Urondo. Helio y radioactividad en los minerals de uranio. Anales Soc. Cient. Arg. 124:240-7, 1937 Recherches sur l’inertie et l’activité chimique des gaz rares. I. Observations sur La théorie de lab nulivalence. Le probléme general de l’activation chimique dês gaz rares. Bulletin Soc. Chim. France 5:1085-92, 1938. The chemistry of helium and helinoids. Combination of helium with uranium by chemical-cathodic activation and thermal decomposition of the complex formed. Anales Asoc. Quim. Arg. 27:64-73, 1939