Juan María Cespedes

Juan María Luis Ceferino Céspedes Vivas, Colombian priest and botanist (Tuluá, Valle Del Cauca Department 26 August 1776 – Guasca, Cundinamarca Department 21 January 1848) Professor of Botany at Santa Fé de Bogotá MEMBERSHIP Member, Societé Linneenne de Paris Member, Horticultural Society of United States HONORS Cespedesia Goudot 1844 (Ochnaceae)

Juan Manuel Cajigal y Odoardo

Juan Manuel Cajigal y Odoardo, Venezuelan mathematician and engineer (Barcelona, Anzoategui 10 August 1803 – Yaguaraparo, Sucre 10 February 1856) Published Tratado de Mecanica Elemental and Curso de Astronomía y Memorias sobre integrales entre limites.  Honored in asteroid 12359 Cajigal  

Juan Jose Claria

Juan José Clariá Olmedo, Argentine astrophysicist (Cordoba 13 June 1945 – Discovered a number of variable stars and globular clusters Established empirical calibrations for determining fundamental parameters of stars Pointed out that Canis Major OB1 was a real stellar association with occurrence of a variety of processes of great astrophysical interest A study of the stellar association Canis Major OB1. Astron. Astrophys. 37:229-36, 1974 With A.E. Piatti, D. Geisler, E. Bica, J.F.C. Santos, A. Sarajedini & H. Dottori. Detección de una nueva fase en la evolución de estrellas gigantes rojas de la Nube Major de Magallanes. Bol. Asoc. Argent. Astron. 43:73-4, 1999 With D. Minniti, D. Geisler & R. Peterson. High dispersion spectroscopy of giants in metal-poor globular clusters: detailed abundances (1997) DEVELOPED METHODS With A. Benítez-Llambay & A.E. Piatti, Fast integrated spectra analyzer: a new computational tool for age and reddening determination of small angular diameter open clusters. Publ. Astron. Soc. Pacific 124(912):173, 2012 With A.E. Piatti & E. Lapasset. A revised effective temperature calibration for the DDO Photometric System. Publ. Astron. Soc. Pacific 106:436, 1994 With D. Geisler & D. Minniti. An improved metal abundance calibration for the Washington system. Astron. J. 102:1836, 1991 With W. Osborn. A method for determining the chemical composition parameter (X,Y,Z) of galactic clusters (1976) HONORS Asteroid 6810 Juanclaria

Juan Jose Cazzulo

Juan José Cazzulo Marmissolle, Argentine biochemist (General Alvear, Buenos Aires Province 29 November 1941 – From Basque and Italian descent Authored over 200 papers Purified and characterized pyruvic carboxylase of yeast Carboxilasa piruvica de levadura de panaderia (Saccharomyces cerevisiae). Purificación y propiedades (1967) With B.M. Franke showed the important role of a protease (cysteine proteinase) for the pathogenesis of Trypanosoma cruzi (1984) Identified new metabolic pathways in trypanosomatids With A.J. Parodi elucidated the synthesis of glycoproteins in trypanosomatids (1981-2) With C. Nowicki elucidated the catabolism of aromatic amino acids in Trypanosoma cruzi (2008) Showed that halophilic enzymes may be allosterically ruled Papers in Nature With T.K.Sundaram & H.L.Kornberg. Regulation of pyruvate carboxylase formation from the apoenzyme and biotin in a thermophilic Bacillus. Nature (London) 223:1137-8, 1969 With T.K.Sundaram & H.L.Kornberg. Mechanism of pyruvate carboxylase formation from the apoenzyme and biotin in a thermophilic Bacillus. Nature (London) 227: 1103-5, 1970 HONOURS Doctor Honoris Causa, University of Uppsala (2002)

Juan Carlos Cutropia

Juan Carlos Cutropia, Argentine surgeon (Mendoza 1940 – Mendoza 2018) Employed a technique of outer circulation in hepatic transplants. The second paper was the one written in Spanish that was quoted in Thomas Starzl’s book Clio Chirurgica Trasplante auxiliar homologo de fígado. Rev. Esp. Enf. Apar. Dig. (1971) With F. Coratolo, A. Spinetta, J. Keil et al. Trasplante hepático ortotopico experimental. Rev. Esp. Enf. Apar. Dig. 38:553-70, 1972 Developed an orthotopic technique for thyroparathyroids autotransplantation with vascular anastomoses in dogs With A. Riba, J. Keil, F. Coratolo & M. Bianchi. Autotrasplante de tiroparatiroides. Rev. Arg. Cir. 4(3-4):153-8, 1981 Researched a work sobre cephalic transplant in dogs (1988) but published it many years after it Developed a low cost head light With A.E. Romero. Frontolux economico con elevada illuminación. Rev. Arg. Cir. 59(3-4):126-9, 1990 HONOURS 2000 Outstanding Scientists of the 20th Century, International Biographic Center (2000)

Juan Carlos Castilla

Juan Carlos Castilla Zenobi, Argentine-born Chilean marine ecologist (Lincoln, Argentina 19 August 1940 – Authored over 305 papers Studied the ecological role of man in coastal ecosystems Developed the concept of experimental marine ecology Described two new Polychaeta species Australonupis violacea (1981) & Scolelepis anakenae 1988 (with Rozbaczylo) With C. Pacheco, M. Varas & V. Ortiz. The rocky intertidal plankton trap RIPT2: a modified device. Sarsia 86:37-41, 2002 HONOURS Honorary Member, Ecological Society of America (1991) International Prize of Fundación BBVA, Madrid (2007) Honorary Professor, Bangor University, United Kingdom (2008) Midori Prize for Biodiversity (2012)