Anil Kumar Das
Anil Kumar Das, Indian astronomer (Chinsura Hoogly, West Bengal 01 February 1902 – Hyderabad 18 February 1961) Authored about 40 papers Explained a large number of solar phenomena Measured the temperature difference between the pole and equator of the Sun (1953) confirming the Bjerknes theory of 1926 Showed that the area of calcium prominences in Sun’s atmosphere was indeed maximum in January and minimum in July (1940) INSTRUMENTS With B.B. Roy & D.N. Das Gupta. A new upper air temperature indicator. Gerlands Beitr. Z. Geophys. 36:4-6, 1932 Simple instruments for studying temperature inversions in the free atmosphere. Gerlands Beitr. Z. Geophys. 37:224-32, 1932 With R. Anantha Krishnan & B.N. Bhargava. A recording photoelectric photometer. Indian J. Met. Geophys. 2:151-61, 1951 HONORS Lunar crater Das
Angel Diaz Celis
Angel Díaz Celis, Peruvian botanist (San Miguel de Cajamarca 02 October 1922 – ?) SOME BIBLIOGRAPHY With A.M. Rivera Mardones. Exploración del recurso medico tradicional en el departamento de Ucayali (2000) Guia para el cultivo y aprovechamiento de los algarrobos o trupillos Prosopis juliflora (Swartz) DC y Prosopis pallida (H&B ex Willd. ) H.B.K. (1997) Los algarrobos (1995) Estudio de las variedades nacionales de zapallos (1957) Estudio de la vegetación halofita de la llanura de Duro Tacla y lagunas de Porto Viejo (1953) HONORS Angeldiazia Dillon & Zapata 2010 (Asteraceae)
Andrés Manuel del Rio
Andrés Manuel del Rio Fernandez, Spanish-born Mexican chemist and mineralogist (Madrid 10 November 1764 – Ciudad de Mexico 23 March 1849) ACHIEVEMENTS Discovered and isolated vanadium (1801); confirmed only in 1830 after Sefstrom rediscovery Discovered a natural gold-rhodium alloy (1825) and mercury selenide (1827) Discovered and described various mineral species (for example vanadinite) and the varieties herrerite (1830) and valencianite Established the foundations of geographical mineralogy (1804) Invented and improved mineral extraction methods for use in mining industry Developed a water pump used in mines HONORS Delrioite Thompson & Sherwood 1959 (Mineral)
Alfredo Duges
Alfred Auguste Delsescautz Dugés, French-born Mexican physician and naturalist (Montpellier 16 April 1826 – Guanajuato 07 January 1910) Son of French obstetrician and naturalist Antoine Louis Dugés DESCRIBED TAXA ACARI Genus Alophus 1885 Amphibia Valid Species Ambystoma altamirani 1895 Ambystoma dumerili 1870 Ambystoma velasci 1888 Calotriton asper 1852 Phrynosoma taurus 1873 Sonora michoacanensis 1884 Reptilia Valid Genus Adelophis 1879 Valid Species Adelophis copei 1879 Bipes tridactylus 1894 Hypsiglena jani 1865 Mesoscincus altamirani 1891 HONORS Dugesia A. Gray 1882 (Asteraceae)
Alfonso Díaz Najera
Alfonso Díaz Najera, Mexican medical entomologist (Balsas, Guerrero State 19 January 1910 – 1992?) With G. Román y Carrillo & L. Vargas. New technics for studying the susceptibility of arthropods to persistent inseticides. I. Tests with four Mexican anopheline species raised in the laboratory, based on the definitive knock-down of the specimens. Rev. Inst. Salubr. Enferm. Trop. 19:19-65, 1959 DESCRIBED DIPTERA TAXA Genera Dyarella 1946 with Vargas & Martinez Palacios Eubonetia 1953 with Vargas Grenieriella 1951 with Vargas Hearlea 1946 with Vargas & Martínez Palacios Lanea 1946 with Martinez Palacios & Vargas Mallochianella 1948 with Vargas Neosimulium 1946 with Vargas & Martinez Palacios Tlalocomyia 1970 with Wygodzinsky Species 62
Alfonso Davalos
Alfonso Davalos, Ecuadorian-born Venezuelan urologist With O.S. Lowsley & T.J. Kirwin. Urolocide, a new skin antiseptic and disinfectant for instruments. J. Urol. Davalos technique for surgical treatment of penile cancer (1931) Davalos technique of simultaneous bilateral-uretero-intestinal anastomosis (1945) Davalos bilateral ureteral transplantation (transplantation of the ureter into bowel) Davalos technique for total resection of penis and cavernous organisms