CHINA

Ping-tse Kao, Chinese astronomer (Shanghai 23 December 1888 – Taipei 23 March 1970) He was cousin of Physics Nobel prize winner Charles K. Kao’s father Honored in lunar crater Kao  Dongsheng Yan, Chinese materials scientist (Hangzhou, Zhejiang Province 10 February 1918 – Shanghai 18 September 2016) Developed carbon fiber reinforced composite and a new technology of bismuth germanate crystal growth  Received Life Time Membership from American Ceramic Society  Jici Yan, Chinese optician (Dongyang, Zhejiang Province 1900 – Beijing 1996) First to determine exactly the phenomenon of quartz piezoelectric laws   Honoured in minor planet 10611 Yanjici Zhifu Ni, Chinese engineer and inventor (Shanghai May 1933 – Beijing 24 April 2013) Invented Ni Zhifu drill with three tips and seven edges (1953) Authored a host of technical improvements and inventions HONOURS Gold Medal, World Intellectual Property Organization (WIPO) 1985 Zhiguang Xie or Chih-Kuang Hsieh, Chinese radiologist and oncologist (Dongguan, Guangdong Province 1899 – 1976) Suggested the special angle for the posterior dislocation of the hip joint (Xie’s position) Posterior dislocation of the hip. Radiology 27:450, 1936 Guanguang Zhong / Kuan-Kwang Tsoong, Chinese botanical collector (19 August 1869 – 12 September 1940) Collected about 15,000 plant specimens Honored in genus Tsoongia Merrill 1923 (Lamiaceae) Qisun Ye / Hongjuan Ye, Chinese physicist (Shangai 16 July 1898 – Beijing 03 January 1977) With W. Duane & H. Palmer determined precisely the value of Planck constant (1921) Did research on the conductivity of magnetic bodies under high pressure (1923)   Shuhua Ye, Chinese astronomer (Guangzhou, Kwangtung Province 21 June 1927 – Foreign Member, Royal Astronomical Society, United Kingdom (1985) Asteroid 3241 Yeshuhua   Kezhen Zhu or Coching Chu, Chinese meteorologist and geologist (Shangyu, Zhejiang County 07 March 1890 – Beijing 07 February 1974) Proposed using air velocity as the appropriate unit for measuring typhoons (1918) adopted internationally A new classification of typhoons of the Far east (1924) AUTHORED The time and place of the origin of the 28 lunar monsoons A preliminary study of climate changes over the past five millennia (5,000 years) in China. Acta Archeol. Sinica 1 (1972)

CHILE, PARAGUAY & URUGUAY

Arturo Atria Osorio, Chilean physician (Coquimbo 05 October 1880 – Santiago 01 April 1936) Discovered a method of isolating the smallpox vírus (1921) Developed a new teaching method for children Silabario biologico: Nuevo metodo para enseñar a leer, escribir y dotar al niño simultaneamente de los conocimientos fundamentales para la vida (1925)  Mariano Balbino Berro Bustamante, Uruguayan botanist and chronist (Lavalleja Department 08 December 1833 – 26 August 1919) SOME BIBLIOGRAPHY La vegetación uruguaya (1899) Las gramineas de Vera (1906) Vegetales de Uruguay: nombres vulgares (1915) HONORS Berroa Beauverd 1913 (Asteraceae) Juan Alberto Eirale Bergero, Uruguayan physician (Montevideo 04 November 1870 – 1952) Patented planes with delta wing being the first world patent on it (1909) Gabriel Arnaldo Erazo Fernandez, Chilean mining engineer and mineralogist (Copiapó February 1943 – Honored in species erazoite Schluter, Malcherek, Stanley, Dini & Molina Donoso 2017 (Mineral) James Thomas Humberstone, English-born Chilean entrepneur (Dover 08 July 1850 – Iquique 12 June 1939) Adapted Shanks system to saltpeter dissolution process (1876) Improved refining process for saltpeter Developed a system for obtaining water from machines HONORS Humberstonite Mrose, Fahey & Ericksen 1970 (Mineral)  Gustavo Jirón Latapiat, Chilean anatomist (23 May 1896 – 29 March 1973) Founded a Teratological Museum, one of most complete in the world of this day (1933) His work Sobre cisuras pulmonares in Arch. Chil. Morf. 1(1 & 2): 45-52 & 177-83, 1935 gained international repercussion Tomás Rafael Leighton Donoso, Chilean mining and civil engineer (Valparaíso 15 September 1894 – 1967) He was mineralogy Professor at Universidad de Chile Honored in mineral leightonite Palache 1938  Emiliano López Saa, Chilean mining engineer and mineral collector (Copiapó 08 May 1868 – 1959) Authored Analisis de un mineral de fierro y ensayos de aleacciones de oro Honored in mineral species lopezite Bandy 1937 Adolfo Emilio Schwarzenberg (Schwartzemberg), German-born Chilean chemical assayer (Cassel 02 December 1826 – Osorno 07 January 1907) Honored in mineral schwartzembergite Domeyko 1864  Angel Segundo Vazquez Galdames, Chilean pharmacist (1823 – Santiago 1897) Performed plant chemistry studies Developed many chemical devices Bustillos-Vazquez method for preserving meat employing lime acetate  

Chediak Ahuayda brothers

Moisés Chediak Ahuayda and Alejandro Chediak Ahuayda were Cuban hematologists and serologists from Lebanese descent  Moisés Chediak Ahuayda (Santiago de Cuba 06 January 1903 – Miami, USA 02 March 1993)  Described the Chediak-Higashi disease despite the fact that the disease was discovered by Cuban A. Beguez Cesar in 1943 Chédiak, M. Nouvelle anomalie leucocytaire de caractere constitutionelle et familial. Rev. Hematologie 7:362-367, 1952. Alejandro Chediak Ahuayda (23 October 1904 – Miami, USA 13 March 1996) Developed the Chediak test for syphilis serum diagnosis using only one drop of blood  Chediak, A. El diagnostico de la sifilis practicado en una gota de sangre desecada y desfibrinada. Arch.Med.Inf. 1:3-14, 1932.  Published Quick hemo micro-diagnosis for blood typing, Rh typing and syphilis, performed at the same time with a single drop of the blood, using antigens and original equipment. 1953.  Patented Apparatus for laboratory investigations. US Patent 2561339. July 24, 1951.           

Chaves family

Diocleciano Chaves López, Nicaraguan naturalist, taxidermist, folklorist and archeologist (Managua 07 April 1844 – Managua 28 October 1936) Collected plants, animals, popular names, legends, old objects and medicinal uses along Nicaragua Sent plant specimens to botanist William Maxon and Smithsonian Institute in United States Invited by diplomat English Edward J. Thorson to work at British Museum (1904) Obtained a silver medal in World Fair of Paris for high quality in dissected animals Scientific collaborator, Kokaido Imperial Academy, Japan SOME BIBLIOGRAPHY  Apuntes de Botanica desde el punto de vista medicinal Lepidopteros del Museo Nacional de Nicaragua Parrafitos de Geologia y Botanica Centroamericana Apuntes de Historia Natural (1901) Lista preliminar de las plantas de Nicaragua (1931) Una piedra grabada en el Museo Nacional de Nicaragua. Proceed. London 266:67, 1934 His daughter, Crisanta Chaves Guerrero, museologist, naturalist and archeologist (1900-1981) Authored Ligeros apuntes sobre la ceramica azteca y nicoyana: sarcófagos y urnas del Museo Nacional (1944)  HONORS Crisantophis Villa 1971 (Reptilia) See HTTP://www.manfut.org/museos/nacional.html

Cesco family

Carlos Ulrrico Cesco Marenzi, Argentine astronomer (General Arenales, Buenos Aires Province 15 September 1910 – San Juan 05 November 1987) Discovered or co-discovered at least 19 asteroids and the Cesco comet (1974) Honored in Asteroid Cesco 1571 His brother, Reynaldo Pedro Cesco Marenzi, mathematician and celestial mechanics (General Arenales, Buenos Aires Province 15 September 1905 – La Plata 11 March 1974) SOME BIBLIOGRAPHY With P.C. Riú. Sobre el problema restringido elíptico de los tres cuerpos (1967) Deducción directa de las ecuaciones planetarias (1966) Sobre la solución general del problema de los tres cuerpos (1963) Sobre algunos teoremas y resultados de la mecanica celeste (1960) Sobre las soluciones homograficas del problema de los tres cuerpos (1959) Sobre um teorema tauberiano del método de sumación de Norlund. Rev. Fac. Cien. Fisicomatem (1944) Perturbaciones seculares de Plutón (1941) Sobre um teorema de la teoria de las series divergentes (1940) Sobre la teoria de las transformaciones lineales y sumación de series divergentes (1940) Sobre la teoria de las transformaciones lineales y la multiplicación de series (1936) Sobre procesos de limites y los algoritmos de sumación. Thesis Sur la theorie des substitutions lineaires. Tohoku Math. Review Exact and approximate integrals of some canonical systems Solución del problema de los tres cuerpos por prolongaciones analiticas aproximadas HONORS Asteroid Cesco 1571 Son of Carlos U. Cesco, Mario Reynaldo Cesco Martin, astronomer Discovered or co-discovered 6 asteroids (1974-6) and Cesco comet (1974)

Cesar Leopoldo Camacho

Cesar Leopoldo Camacho Manco, Peruvian-born Brazilian mathematician (Lima 15 April 1943 – Internationally respected as one of great names in the field of complex dynamical systems  ACHIEVEMENTS  Established the essential analytic and geometric properties of solutions of complex differential equations Proposed a generalization of theory of real dynamical systems in his doctoral thesis  Established a generalization of Poincaré-Bendixson theorem (1973) Defined the concept of hyperbolic fixed point of an action (1973) Demonstrated that local structural stability is not a generic property for fields of lineal complex vectors and established a complete topological classification of these fields (1978) With A. Lins Neto introduced the notion of regular homogenous forms (1982) With A. Lins Neto & P. Sad introduced a class of foliations that share the reduction of singularities with their curve of separatrices or generalized curve-type foliations (1984) With B. A. Scárdua determined a model differential equation which generalizes the Riccati equation (1999) With L.H. Figueiredo first introduced computational methods for studying asymptotic behavior of solutions (2001) With B. Scárdua characterized projective foliations that permit first liouvillian integrals With B. Scárdua & H. Mosavati enunciated a theorem showing the moduli of Stein surface singularities (2008) With B. Scárdua presented a Darboux-type theorem for germs of holomorphic one-dimensional foliations (2014) EPONYMY Camacho-Sad separatrix theorem Camacho-Sad index theorem (1982) Camacho-Sad índices Camacho-Sad localization Camacho-Chaperon hyperbolic condition (1971) Camacho theorem (1978) Camacho-Movasati-Sad index theorem Camacho-Lehmann theorem for holomorphic foliations HONOURS Invited Lecturer, International Congress of Mathematicians (1990) Doctor Honoris Causa, Universidad de Valladolid, Spain (2007)