Tomas Cekalovic
Tomas Nicolás Cekalovic Kuschevich, Chilean entomologist and arachnologist (Punta Arenas 28 December 1928 – Concepción 04 January 2013) From Croatian descent Authored 88 papers Collected / discovered more than 350 species (described by other researchers) DESCRIBED NEW TAXA (incomplete list) Arachnida Genus Tehuankea 1973 Species Austropsopilio sudamericanus 2003 with Shultz Bothriurus dumayi 1974 Bothriurus mochaensis 1982 Bothriurus wilhelmi 1976 Brachistosternus artigasi 1974 Brachistosternus donosoi 1974 Brachistosternus negrei 1975 Brachistosternus pegnai 1969 Hesperopilio magnificus 2006 with Shultz Phoniocercus sanmartini 1968 Tehuankea moyanoi 1973 Urophonius paynensis 1968 with San Martín Urophonius tregualemuensis 1981 Urophonius tumbensis 1981 Coleoptera Genera Paraholopterus 1987 with Cerda Xalpirta 2001 with Skelley Species Acropsopilio normae 1974 Aegorhinus boniarde 1970 Callispyris semicaligatus 1954 Neoxestus cauquenes 2001 with Skelley Neoxestus lucile 2001 with Skelley Neoxestus nahuelbuta 2001 with Skelley Neoxestus nonguen 2001 with Skelley Neoxestus norma 2001 with Skelley Paraholopterus nahuelbutensis 1987 with Cerda Xalpirta arnetti 2001 with Skelley Xalpirta elsa 2001 with Skelley Xalpirta guerini 2001 with Skelley Xalpirta peckorum 2001 with Skelley Xalpirta stellaris 2001 with Skelley
Tianqin Cao
Tianqin Cao or Tien-chin Tsao, Chinese biochemist (Beijing 05 December 1920 – Shanghai 08 January 1995) Discovered light chains in myosin (1953) Pioneered electron microscopic studies of tropomyosin and paramyosin Set up a series of analytic techniques for protein structures Designed a horizontal viscometer His father in law, Yuming Xie or Yuming Hsieh, Chinese spectroscopist (Quanzhou, Fujian Province 1895 – 1986) Father of physicist Xie Xide With W.V. Houston precisely measured the fine structure or spectrum of hydrogen atom (1934) Made predictions about the role of an electromagnetic radiation field
Te-tzu Chang
Te-Tzu Chang, Taiwanese plant geneticist (Shanghai 03 April 1927 – Tamsui Village, Northern Taiwan 24 March 2006) Authored over 250 articles Regarded as world authority on rice genetics and conservation Developed a new variety of dwarf rice (1962) and other rice varieties SOME BIBLIOGRAPHY The management of rice genetic resources. Genome 31:825-31, 1989 The Ethnobotany of rice in Island Southeast Asia (1988) Preservation of crop germplasm. Iowa State J. Res. 59:365-78, 1985 Principles of genetic conservation. Iowa State J. Res. 59(4):325-48, 1985 With G.C. Loresto & J.C. O’Toole. Genetic analysis of root characters in rice. SABRAO J. 15:103-16, 1983 The origin, evolution, cultivation, dissemination and diversification of Asian and African rices. Euphytica 25:425-441, 1976 The rice cultures. Philos. Trans. Royal Soc. London B275:143-57, 1976 With S.K. DeDatta & W.R. Coffman. Breeding methods for upland rice (1975) Studies on the inheritance of grain shape of rice. Taiwan Agric. Res. 23:9-15, 1974 With G.C. Loresto & O. Tagumpay. Screening rice germplasm for drought resistance. SABRAO J. 6(11):9-16, 1974 With J.C. Zadoks & C.F. Konzak. Decimal code for the growth stages of cereals. Weed Res. 14:415-31, 1974 Field experiments with rice in the tropics with emphasis on variety testing. SABRAO Newsletter 3:59-69, 1971 Genetic basis of adaptability. Intl. Rice Comm. Newsl. 16(4):4-12, 1967 With E. A. Bardenas. The morphology and varietal characteristics of the rice plant. Techn. Bull. Intern. Rice Rep. Inst. 4, 1965 Varietal differences in lodging resistance. Intl. Rice Comm. Newsletter 13(4):1-11, 1964 HONORS John Scott Award (1969) International Service in Agronomy Award, American Society of Agronomy (1980) Rank Prize in Agronomy and Nutrition, Rank Prize Foundation (1988) Frank N. Meyer Award and Medal in Plant Germplasm (1990) Foreign Member, US National Academy of Sciences (1994) Tyler Environmental Prize (1999) Genus Changii Prasad, Strömberg, Leaché et al. 2011 (Phytolith)
Sung Shu Chien
Sung Shu Chien or Songshu Qian, Chinese botanist (Jiaxing 1883 – 1965) DESCRIBED PLANT TAXA Valid Genus Changnienia 1935 (Orchidaceae) Species Ajuga lanosa 1932 with Sun Boehmeria lohwiensis Camelia tsofui 1939 Camellia tuberculata 1939 Camellia villicarpa 1939 Campylotropis reticulata 1932 Changnienia amoena 1935 Cornus (Swida) parviflora 1931 Cypripedium cathayenum 1930 Daphniphyllum longistylium 1933 Daphniphyllum oblongum 1933 Daphniphyllum salicifolium 1933 Girardinia chingiana Hemipila crassicalcarata 1931 Indigofera chenii 1934 Indigofera glabra 1932 Iris pseudorossii 1931 Lecanthus pileoides with Chen Liparis cucullata 1930 Litsea auriculata 1931 with Cheng Lonicera fangii 1940 Lonicera glandulifera 1940 Lonicera hopeiensis 1940 Lonicera tangiana 1940 Lysimachia huitsunae 1933 Lysimachia liui 1933 Lysimachia polycephala 1933 Maackia chekiangensis 1932 Nanocnide dichotoma Oreorchis intermedia 1930 Pertularia (Tulotis) whangshanensis 1931 Pilea longipedunculata with Chen Pilea secunda Pilea subedentata with Chen Platanthera bifolia Podophyllum (Dysosma) chengii 1936 Pyrularia inermis Ranunculus arcuans Ranunculus brachyrhynchus Sloanea tsinyunensis Stewartia gemmata 1931 with Cheng HONORS Chieniodendron Tsiang & Li 1964 (Annonaceae)
Subrahmanyan Chandrasekhar
Subrahmanyan Chandrasekhar, US/Indian astrophysicist (Lahore, 19 October 1910 – Chicago, Illinois 21 August 1995) Nephew of Nobel Laureate physicist C.V. Raman ACHIEVEMENTS Published nearly 400 papers and many books Determined maximum mass of a star that can support itself against its own gravity without the aid of heat known as Chandrasekhar limit (1930) Enunciated important theorems about cosmic masses stability under gravity, rotation and magnetic fields Discovered relativistic instability of radial oscillations in white dwarf stars Showed the phenomenon of dynamical friction Introduced the notion of a continuous distribution of matter with statistical fluctuations in density Introduced relaxation concept in stellar dynamics Developed post-Newtonian approximation for treating the field equations of general relativity that became normal standard for computing gravitational waves in dynamical systems of massive particles Performed the first estimates about the formation of chemical elements in stars (1942) with L.R. Henrick Discovered tensor virial theorem Derivated a radiactive transfer equation HONORS Physics Nobel Prize (1983) Bruce Medal (1952) Asteroid 1958 Chandra EPONYMY Chandrasekhar-Friedman-Schultz instability (1970) Chandrasekhar-Schenberg limit (1942) Chandrasekhar bosonic mass Wick-Chandrasekhar method Chandrasekhar number Chandrasekhar H-functions Chandrasekhar-Kendall modes (1936) Chandrasekhar-Münch equation Chandrasekhar colliding wave plane Chandrasekhar variational principle Chandrasekhar virial equations Chandrasekhar tensor Chandrasekhar friction
Stephenson Caticha Ellis
Stephenson Caticha Ellis, Uruguayan/Brazilian physicist and crystallographer (Melo 30 September 1927 – Campinas, São Paulo State 27 October 2003) Obtained international recognition for his studies on x-rays anomalous dispersion and dynamical diffraction Authored about 200 works METHODS/DEVICES First proposed multiple diffraction for determination of mosaic spread Described a method using real part of the dispersion correction in the x-ray atomic scattering factor for the solution of centrosymmetric crystal structures On the use of anomalous scattering of x-rays in the solution of centrosymmetric structures. Acta Crystall. 15(9):863-5, 1962 With Ariel Ramos & Luis R. Saravia. Use of primary filters in x-ray spectrography: a new method for trace analysis. Proc 16th Denver x-ray Conf. (1968) With C.B.R. Parente. Multiple scattering of x-rays and neutrons. I. A recurrence formula for the Taylor series expansion in the calculation of intensities. Japan Journal Appl. Physics 13(10):1501-5, 1974 With L.P. Cardoso. An x-ray microdensitometer. Journal of Physics. E, scientific Instruments 12(6):545-8, 1979 With C. Campos & L.P. Cardoso. A simple method to cut a single crystal in any desired direction. J. Appl.Crystallogr. 16:360, 1983 With A.G. Alvarez, I.L. Torriani & E.G. Lluesma. Development of some phosphorus of high quantic efficiency and their application in radiological image reinforcing screens (1984) With Lisandro P. Cardoso invented a x-rays monochromator-collimator of high accuracy (1989) With A. Caticha & N. Caticha. Resonant cavity for the stimulated emission of x rays, Appl. Phys. Lett. 54:887-9, 1989 With Ariel Caticha. A Fabry-Perot interferometer for hard x-rays. Physica Status Solidi 119(2):643-54, 1990 With Richard Boyce & Herman Winick. Conceptual design of instrumentation to measure the diffraction profile of a single crystal at Bragg angle near by using synchrotron radiation. Nuclear Instruments and Methods in Physics research Section A 291:132-4, 1990 With Ariel Caticha. A thermal neutron interferometer of the Fabry-Perot type. Physica Status Solidi 153:29, 1996 SOME BIBLIOGRAPHY With A. Fabris de Mercantini. Identificación por difracción de rayos X de los minerales de las arenas negras ilmenitico-monaciticas del litoral uruguayo. Bol.Fac.Ing. Montevideo 5(10):285-313, 1955 With W. Cochran. The x-ray diffraction spikes of diamond. Acta Crystall. 11(4):245-9, 1958 With A. Rimsky. Critere de fin d’ affinement d’ une structure atomique. Acta Crystall. 11(7):481-4, 1958 With L.R. Saravia. A table of the real part of the dispersion correction for x-ray scattering. Acta Crystall. 20(6):927-30, 1966 With S.C. Abrahams. The crystal and molecular structure of 4,4’dibromo- and 4,4’-dichlorodibenzoyl peroxide. Acta Crystall. 24(2):277-80, 1968 Simultaneous reflections and the mosaic spread in a crystal plate. Acta Crystall. 25(6): 666-73, 1969 With A.M. Ozorio de Almeida. X-Ray scattering from crystals with intracellular disorder. Physica Status Solidi B 75:657-8, 1976 X-ray diffraction profiles from neutron-irradiated LiF single crystals. J. Appl. Crystall. 10(5):390-6, 1977 Marking of spherical crystals for identical re-mounting. J. Appl. Crystall. 10(6):503-4, 1977 Turning cylindrical crystals in a common lathe. J. Appl. Crystall. 10:504, 1977 With S. Chang. An ambiguity in indexing Renninger diagrams and the distinction between some opposite directions in cubic crystals. Acta Crystall. A 34:825, 1978 With A. da Costa Lamas & S.L. Chang. On the use of powder diffractrometry in the study of phase transitions case of NaNO2. Physica Status Solidi 68(1):173-8, 1981 Anomalous dispersion of x-rays in crystallography (1981) With A. Caticha. Dynamical diffraction of x-rays by thin crystals at Bragg angles near π2. Physica Status Solidi 119(1):47-54, 1990