Arnold Theiler
Arnold Theiler, Swiss-born South African veterinarian (Frick, Canton Aargau 26 March 1867 – London 24 July 1936) Father of Nobel Prize winner virologist Max Theiler (1899-1972) Authored over 250 papers and booklets Proposed heartwater was caused by a rickettsial organism Demonstred ticks as vectors of horse piroplasmosis (1906) Cleared up the aetiology of cattle redwater and biliary fever of horses Established the vectors (ticks) of many cattle diseases First to realise that there was a plurality of strains in the horse sickness virus and produced the first crude vaccine against it Developed the first effective vaccine for rinderpest (1896) Proposed the use of Anaplasma marginale v. centrale could be used to immunize against gallsickness of cattle (1910) DISEASES With C.P. Lounsbury identified and described Theileria parva as causative agent of East Coast Fever (1904) Described Theiler’s disease (1919) Discovered the cause of lamsiekte disease (a manifestation of botulism) The cause and prevention of Lamziekte (1920) With J. McFadyean & T. Edgington discovered African horse sickness virus, the first orbivirus known (1900) With J. Spruell demonstred that bluetongue of sheep was a virosis (1902-6) Discovered a very simple and effective method of vaccination for bluetongue of sheep (found that subinoculating the virus from sheep to sheep) (1907) Described an infectious foot disease in sheep DESCRIBED PARASITES Discovered Trypanosoma theileri (1902) and Spirochaeta theileri described by others researchers Genus Anaplasma 1909 Species Anaplasma marginale (1909), the first rickettsial pathogen known Parabotulinus bovis (1927) with Robinson Parabotulinus equi 1927 with Robinson Theileria mutans 1906 Hartertia gallinarum 1919 OTHERS Proved the link between poisonous plant species like Senecio, Crotalaria, Pachystigma, Geigeria and Vangueria sp. and cattle diseases Developed a remedy for treatment of wireworm and other worm infections (1912) Devised a vat-side arsenic tester Un nouveau medicament pour le traitement des piroplasmoses. Bull. Soc. Path. Exot. 23:506, 1930 First to assert that the nutritive requirements of the ruminants are quite different from the omnivores and carnivores With Henry H. Green & Philip Rudolph Viljoen. Contribution to the study of deficiency disease with special reference to the Lamziekte problem in South Africa, Union of South Africa (1915) Clarified the aetiology, histopathology and nomenclature of bone lesions besides defining rickets, osteomalacia and osteodystrophia fibrosa Untersuchungen uber den Bau normaler and durch calcium-and phosphorarme Nahrung veranderter Rinderknochen (1932) HONORS / EPONYMS Theilera E.P. Phillips 1936 (Campanulaceae) Theileria Bettencourt, França & Borges 1907 (Protozoa) Theilerization, consisting of infection with virus from an animal naturally affected and the subsequent intravenous injection of trypanblue or ichthargan
Armando Dias Tavares
Armando Dias Tavares, Brazilian physicist (Rio de Janeiro 27 February 1917 – Rio de Janeiro 26 February 1988) Gave an electronic interpretation for thermodielectric effect suggesting a quantum theory such as semiconductor conductivity theory Developed a method for experimental study of thermodielectric effect New method for the determination of space charge in dielectrics. J. Chem. Phys. 59(4):2154-5, 1973 A theorem on a real function of a real variable. Rev. Cient. 1(1):91-11, 47, 1951 Imagined a spherical kind of Geiger counter SOME BIBLIOGRAPHY The Costa Ribeiro effect and allied phenomena. J. Molec. Liquids 39:171-94, 1988 Experimental proof of the existence of the double space charge developed in dielectrics by the Costa Ribeiro effect. Phys. Status Solidi 21(2):717-24, 1974 Resistivity measurements in organic semiconductors. Physica Status Solidi 15(2):559-64, 1973 Contribuição ao estudo do efeito Costa Ribeiro. Thesis, Universidade do Brasil (1961) Crescimento de cristais. Anais Acad. Bras. Ciencias 30(4), 1958 Cargas espaciais residuais em eletretos naturais. Anais Acad. Bras. Ciencias 30(4): 1958 Um efeito fotoelétrico em cristais de naftaleno. Thesis, Universidade do Distrito Federal (1955) Further quantitative experiments on the Costa Ribeiro effect. Anais Acad. Bras. Ciencias 25(4), 1953 On a possible explanation of the Costa Ribeiro effect. Anais Acad. Bras. Ciencias 25(1), 1953 Some consequences of “an electronic explanation of the Costa Ribeiro effect”. Rev. Cientifica 4(1-2):75-9, 1953 The thermodielectric constant of water. Rev. Cientifica 3(12):39-41, 1952
Antonio Tossolini
Antonio Olivo Tossolini, Argentine mechanic and carpenter (1900 – Bell Ville, Cordoba Province 22 June 1959) From Italian parentage With Juan Valbonesi (Italian-born commercial employee died 1970) and former soccer player Luis Romano Polo Tonello (Unión Cordoba 01 February 1901 – Unión Cordoba 25 July 1957) patented Superball, the first leather lace-free soccer ball with perfect roundness that revolutionized the sport Argentine patent 35.779 (1931) Valbonesi patented it in United Kingdom (Improvements in inflatable balls for use in ball games such as football GB number 19,285 (1931) and Italy Invented Topoval, the first hand inflator of the world (1948) Improvements in/or relating to liquid supply pumps particularly for liquid fuel mixtures With his brothers Eduardo & Eugenio developed a number of inventions
Alcides Ribeiro Teixeira
Alcides Ribeiro Teixeira, Brazilian mycologist (Torrinha, São Paulo State 06 April 1918 – São Paulo 13 June 2003) Developed techniques for sampling and mounting of hyphae (1956 and 1962) Método para estudo das hifas do carpóforo de fungos poliporáceos Publ. Inst. Bot. Est. S. Paulo 22 (1956) DESCRIBED FUNGI TAXA Genera Albatrellopsis 1994 Coltriciopsis 1989 Hornodermoporus 1993 Species Lentinus campinensis 1946 Lenzites cubamyces 1992 Peloronectria bambusina 1955 Phellinus bresadolianus 1992 Phellinus piptadeniae 1950 Phellinus rickii 1950 Physoderma hydrocotylidis 1943 with Viegas Polyporus lucienqueletii 1986 Pseudolpidiopsis achylae 1943 with Viegas Stereum beigehymenium 1945 Syncephalis ubatubensis 1943 with Viegas HONORS Teixeiranthus King & Robinson 1980 (Asteraceae)
Alberto Carlos Taquini
Alberto Carlos Taquini Castiglioni, Argentine medical researcher (Buenos Aires 06 December 1905 – 04 March 1998) Authored 350 scientific papers mainly on cardiology and arterial hypertension With L.F. Leloir, J.C. Fasciolo, J.M. Muñoz and E. Braun Menendez discovered angiotensin and described enzymatic nature of rennin-angiotensin system and its relationship to arterial hypertension With J.M. Muñoz, J.C. Fasciolo & L.F. Leloir. Hypertensin: the substance causing renal hypertension. Nature 144:980, 1939 Proposed universal thoracic heartbeat (Arrillaga-Davobe sign) as a diagnostic way of retro cardiac aorta aneurisms With F. C. Arrillaga. Battement thoracique universal: nouvel element de diagnostic pour les anévrismes de l’aorte retrocardiaque (1933) Proposed the evolutive hypertension Hipertensión arterial evolutiva (1952) With R. Labriola, O.Orias, E.M. de Españes & V. Deulofeu. Fagarine, a possible substitute for quinidine. Science 102(2638):69-70, 1945 METHODS Ideated original techniques of intraesophagic electrocardiography With J.C. Fasciolo. Metodo para el reconocimiento de pequeñas quantidades de renina. Rev. Soc. Arg. Biol. (1947) With J.M. Muñoz, E. Braun-Menendez, J.C. Fasciolo & L.F. Leloir. Metodo para la medición de la renina humana. Rev. Soc. Arg. Biol. 19:321-31, 1943 HONORS Honorary Member, American College of Physicians, American Heart Association, American Physiological Society, Cardiology Society of Belgium, Cardiology Society of France, International Academy of Medicine President, World Heart Federation (1954-62) and International Council of Hypertension (1954-68)
Adolphe Tonduz
Jean François Adolphe Tonduz, Swiss-born Costa Rican botanist and plant pathologist (Pulley, Vaud Canton, Lavraux-Oron District 18 September 1862 – Ciudad de Guatemala 19 December 1921) Authored about 90 works Described the plant species Myroxylon sonsonatense (1908) SOME BIBLIOGRAPHY El pudrimiento del tallo del banano. Bol. Inst. Fis. Geogr. Costa Rica 11:309-10, 1901 El blanco o mofo de las raices del cafeto. Bol. Inst. Fis. Geogr. Costa Rica (1900) La fumagina del cafeto. Anal. Inst. Fis-Geogr. Nac. 6 (1897) Herborisations au Costa Rica. Bull. Herb. Boissier 4:163-77, 1896 Exploraciones botánicas em Talamanca. Anales Inst. Fis-Geogr. Nac. (1895) Expediciones botánicas efectuadas en la parte meridional de Costa Rica por los años 1891-1892 (1893) Informe sobre la enfermedad del cafeto (1893) HONORS Tonduzia Pittier 1908 (Apocynaceae) Dontuzia Gómez 1973 (Fungi)