Dattathreya Ramachandra Kaprekar

Dattathreya Ramachandra Kaprekar, Indian mathematician (Dahanu, Maharashtra 17 January  1905 – Devlali 05 July 1986) Discovered Kaprekar constant or 6174 (1949) Described Kaprekar number Defined self numbers or Devlali numbers (1963) Described Harshad numbers Named Demlo numbers EPONYMY Kaprekar operation Kaprekar cycle or procedure Kaprekar algorithm Kaprekar problem

Daniel Roussouw Kannemeyer

Daniel Roussouw (Rousseau) Kannemeyer, South African physician, naturalist and archaeologist (Cape Town 26 December 1843 – Bloemfontein 01 January 1925) Collector of insects (butterflies and moths), arachnids, reptiles, fossils (vertebrate and plant) and archaeological and etnographic artifacts SOME BIBLIOGRAPHY Some proof that mammalia occur in the upper Karoo beds at Dunn (1889) Stone implements of the Bushmen. Cape Illustrated Magazine 1:120-30, 1891 Colonial nomenclature. Cape Illust. Mag. 1:402-7, 454-8, 472-7, 1890-1 Note on locusts as propagators of foot and mouth disease. Trans. South Afr. Philos. Soc. 8:84-5, 1890-5 HONORS Kannemeyeria Seeley 1908 (Fossil Reptilia) LINKS www.s2a3.org.za/bio/Biograph_final.php?serial=1491

Daniel Gerhardus Krige

Daniel Gerhardus Krige, South African mining engineer (Bothaville, Free State 26 August 1919 – Johannesburg 03 March 2013) Authored about 90 technical papers Recognized worldwide as main pioneer in geostatistics Applied mathematical statistics to the valuation of gold mines using a limited number of boreholes and of ore reserves for existing mines known as kriging (1951) Introduced the geostatistical concepts such as support, spatial structure, selective mining units and grade-tonnage curves (1952) Published one of the first papers on risk analysis for new mining investments (1955) Designed uranium pricing formula for contracts   HONORS Krumbein Medal, International Association of Mathematical Geology (1984) Daniel Jackling Award, American Society of Mining Engineers (1987) Foreign Associate, United States National Academy of Engineering (2010) LINKS http://www.saimm.co.za/Conferences/Apcom2003/405-Minnitt.pdf

Damodar Dharmananda Kosambi

Damodar Dharmananda Kosambi, Indian mathematician and statistician (Kosben, Goa 31 July 1907 – Pune, Maharashtra State 29 June 1966) Introduced Kosambi map function in The Estimation of Map Distance from Recombination Values. Annals of Eugenics (1944) Developed proper orthogonal decomposition or Kosambi-Karhunen-Loeve decomposition (1943) Developed methods for quality control of industrial goods and statistical methods for determining dams sites and sizes Eponym of Kosambi rule

Christine Sophie Kabuye

Christine Sophie H. Kabuye, Ugandan botanist and ethnobotanist (21 November 1938 – With D. Wood. A first record of multicellular glandular hairs in the Graminae. Bot. J. Linn. Soc. 62(1):69-70, 1969 DESCRIBED VALID PLANTAE SPECIES Living Alloeochaete geniculata 1975 Alloeochaete gracillima 1975 Alloeochaete ulugurensis 1975 Biophytum turianiense 1969 Eragrostis aristiglumis 1971 Fossil Pollia tugenensis 1989 with Jacobs HONORS Kabuyea Brummit 1998 (Thecophilaeaceae) 

Carlos Arnaldo Krug

Carlos Arnaldo Krug, Brazilian plant geneticist and agronomist (São Paulo 25 October 1906 – Campinas 06 February 1973) From German ancestry Authored about 100 works With A.S. Costa described purple bud of White potato (1937) With A. Carvalho. Genetical proof of existence of coffee endosperm. Nature 144 (3646):515, 1939 With A. Carvalho & J.E.T. Mendes found many new varieties of coffee plants With A. Carvalho & J.E.T. Mendes performed the main researches concerning to coffee plant genetics in the world With A.J.T. Mendes observed the occurrence of real and false polyembryonies in coffee plant With G.P. Viegas developed hybrid maize being Brazil the second country in the world with hybrid maize from its own lineages after United States (1939) (Argentina is the second country to have a hybrid maize but your strains were from United States) With G.P. Viegas & L. Paoleri developed maize hybrids IA300, IA1932 & IA1952 With O. Bachi determined the chromosome number of many species of Citrus sp.  Developed a method for hybridization of coffee plant Hybridization of coffee. J. Hered. 26:325-30, 1935  Developed a method for calculating the mesh of grading sieves for different coffees O Cálculo da “peneira media” nas seleções do cafeeiro. Rev. Inst. Café 26 (156):123-7, 1940 HONORS Subgenus Krugiphinema Cohn & Sher 1972 (Nematoda) LINKS http://www.dichistoriasaude.coc.fiocruz.br/iah/P/verbetes/krug.htm (in Portuguese; bibliography)