Luis Zambrano Molina

Luis Zambrano Molina, Venezuelan inventor (Rivas Davila, Merida State 01 May 1901 – Tovar, Merida State 15 August 1990) INVENTIONS (about 50) 600 amp generator used to solder 3/8 rods (1938) A large lathe with 13 different thread sizes A strawberry peeler   A foundry with its own furnace (1948) 20 electric heat generating turbines 5 coffee driers A machine used to dry sewage for fertilizers A dual effect turbine with 4 outputs and zero axial effect 3 forklift ropeways with turbines and a carrying capacity of half a ton over a half a mile A garlic sorting, cleaning and sifting machine  A bicycle-powered grinder for grains and bones A vertical drill adapted from a car engine (1924) Propulsion engines A rotating centrifugal engine or reaction turbine (Turbozam engine) Carrot, fruits and vegetables peelers A prototype of aquatic vehicle A mechanical process for changing petrol engines A device to bloat car tires  A 9 shot 44 bore rifle (1920s)

Lucrecia Covelo de Zolessi

Lucrecia Covelo de Zolessi, Uruguayan arachnologist and entomologist (La Paz, Canelones Department 12 January 1920 – Montevideo 09 March 2000) Gained international recognition for his movie about sexual behavior of arachnid species Bothriurus bonariensis DESCRIBED Brachymyrmex melensis 1978 with Gonzalez & Petrone de Abenante (Hymenoptera) Cephalocoema (Orienscopia) albrechti 1968 (Orthoptera) Scotussa liebermanni 1968 with Mesa (Orthoptera) SOME BIBLIOGRAPHY La partenogénesis en el escorpión amarillo Tityus bolivianus uruguayensis (Borelli, 1900) (Scorpionida: Buthidae). Actas Jornal. Zool. Uruguay (1985) With B. Goni & H.T. Imai. Karyotypes of thirteen ant species from Uruguay (Hymenoptera, Formicidae). Caryologia 36:363-71, 1983 With Y. Petrone de Abenante. Estado actual de los estudios bioecológicos y morfológicos de las espécies del gênero Acromyrmex (Myrmicinae; Attini, Mayr) en la Republica del Uruguay. Attini 14:3-4, 1983 With B. Goni & H.T. Imai. Chromosome observations of some Uruguayan ants (Hymenoptera: Formicidae). Ann. Rep. Nat. Inst. Genetics 32:69-70, 1982 With L.A. Gonzalez. Observaciones sobre  el gênero Acromyrmex en el Uruguay. IV. Acromyrmex (Acromyrmex) lundi (Guérin, 1838) (Hymenoptera: Formicidae). Rev. Fac. Human. Cienc. Ser. Cien. Biol. 1:9-28, 1979 With Y. Petrone de Abenante & L.A. Gonzalez. Descripción y observaciones bioetologicas sobre una nueva espécie de Brachymyrmex (Hymenoptera: Formicidae). Rev. Biol. Uruguay 4:24-44, 1978 With Y. Petrone de Abenante. Estudio comparativo de la genitália del macho de las espécies de Acromyrmex del Uruguay. Rev. Biol. Uruguay 3:73-8, 1977 With L.A. Gonzalez. Nidificación y mesoetologia de Acromyrmex en el Uruguay. II. Acromyrmex (Acromyrmex) lobicornis (Emery, 1887). Rev. Biol. Uruguay 2:37-57, 1974 With Y. Petrone de Abenante. Nidificación y mesoetologia de Acromyrmex en el Uruguay. III. Acromyrmex (A.) hispidus Santschi 1925 (Hymenoptera, Formicidae). Rev. Biol. Urug. 1:151-65, 1973 With R. Vaz Ferreira & F. Achaval. Oviposición y desarrollo de ofídios y lacertílios en hormigueros de Acromyrmex. Physis 29(79):431-59, 1970 With R. Vaz Ferreira & F. Achaval. Reproducción de squamata y hormigas cultivadoras. Abst. Comm. IV Congr. Latinoam. Zool. (1969) Estudio genético de las variaciones cromáticas y estudio anatômico de Chelymorpha variabilis Boh. (=Ch. crucifera Boh.), 1854 (Coleoptera, Chrysomelidae, Cassidinae). Rev. Soc. Urug. Ent. 7:20-44, 1968 With A. Mesa. Descripción y obeservaciones bioecológicas sobre una nueva espécie de Scotussa (Orthoptera; Acrididae). Rev. Soc. Urug. Ent. 7:4-19, 1968 Morphologie, endosquelette et musculature d’um acridien aptere. Cephalocoema albrechti sp.n. (Prosocopiidae, Acridoidea). Thesis, Université de Paris (1966) Reproducción y ontogenia de Coryacris angustipennis (Bruner) 1900. Rev. Fac. Agronomia 67:1-15, 1963 Bioecologia y ontogenesis de Scotussa cliens (Stal) Lieb. (Acridoidea, Catantopidae) en el Uruguay. Fac. Hum. Cienc. (1958) La oviposición de Cephalocoema sp. (Acridoidea, Proscopiidae). Rev. Soc. Urug. Ent. 2(1):55-8, 1957 Observaciones sobre el comportamiento sexual de Bothriurus bonariensis (Koch) (Scorpiones, Bothriuridae). Nota preliminar. Bol. Fac. Agron. Montevideo 35:3-10, 1956 Observaciones sobre Cormops aquaticum Br. (Acridoidea, Cyrtoacantha) en el Uruguay. Rev. Soc. Urug. Ent. 1:1-28-56, 1956 HONOURS Zolessia Biezanko & Monné 1968 (Lepidoptera)

Leonardo Zeevaert Wiechers

Leonardo Enrique Zeevaert Wiechers, Mexican structural engineer (Veracruz 27 November 1914 – Ciudad de Mexico 16 February 2010) From German descent Recognized as a world leader of geotechnical engineering Authored 159 papers Developed the concept of intergranular viscosity First to apply the concept of controlled flexibility in the design of structures Introduced the concept of elastic stability in design of high-rise steel Improved the concept of  compensated foundation and developed the concept of compensated friction pile foundations Discovered the phenomenon of negative friction in piles Developed and named Seismo-Geodynamic Theory Ecuación completa de consolidación para depositos de arcilla que exhiben fuerte compresión secundaria (A complete equation of foundation for clay depots presenting Strong secondary compression). Rev. Ingenieria UNAM (6-8):57-72, 1951 DEVELOPED METHODS Special procedures for deep excavations to be used in conjunction with floating foundations A method to find out the resonance periods of the subsoil (1950s) A procedure for the construction of hanging buildings that gives more architectural flexibility in the ground floor A procedure for determining the hydrodynamic horizontal flow in stratified soils A procedure to assess negative friction in piles Innovative design methods for compensated foundation, piled raft foundations and compensated-friction pile foundations Lez foundation Um método sencillo para el cálculo de las estructuras indeterminadas (A simple method for calculation of indeterminated structures) . Rev. Ingenieria Esc. Nac. Ingenieros p.257-61, 1939   DEVELOPED APPARATUSES Designed free-vibrating torsion pendulum for determining the dynamical properties of the soil (1965) A Hollandish modified chamber Lez pile head Authored Foundation Engineering for Difficult Subsoil Conditions (1972) translated into Chinese and Polish languages HONORS Special Prize, American Institute for Steel Construction (the first one awarded outside United States) Gold medal, American Institute of Architects (1965) Honorary Member, Belgian Royal Academy of Arts & Sciences & National Academy of Engineering, United States 23rd Terzaghi Lecture, American Society of Civil Engineers (1987) LINKS http://www.ejge.com/People/Zeevaert/Zeevaert.htm http://www.100.unam.mx/images/stories/universitarios/dhc/PDF/zeevaert-wiechers-leonardo.pdf

Lelio Zeno

Lelio Olchese Zeno, Argentine plastic surgeon and traumatologist (Torino 16 March 1890 – Rosario 21 October 1968) Son of Piamontese immigrants Worked in the USSR in the first half of 1930s being recognized as father of traumatology in Russia With Emilio Pizarro Crespo wrote Medicina Psicosomatica (1945), in which enunciated the concept of eubiatry or integral medicine Enunciated the idea of fracture callus as a cicatricial disease and the concept of “autogenous welding” First to use skin-free graft of the pinna for nasal correction Injerto libre de piel acolchada em las pequenãs rinoplastias. Anales de Cirurgia 7:295-9, 1941 DEVELOPED TECHNIQUES Mayo-Zeno technique of umbilical herniorrhaphy (1916) Bowman-Zeno technique (a technique for treating supracondylar fractures of child elbow using zenith traction) Zeno method for treatment of burnings employing plaster dressings in Tratamiento de las quemaduras mediante vendaje de yeso. Med. Ibera 30(1):284, 1986 Treatment of vertebral bodies fractures by hyper-extension method New technique in the treatment of fractures of the forearm. J. Bone & Joint Surg. (1938) LINKS htttps://www.semiologiaclinica.com/index.php/biblioteca-virtual/medicos-en-la-historia/35-zeno-lelio https://bvs.smu.org.uy/servicios/ToC/hector%20ardao%20VERSION%208%20baja.pdf His brother Artemio Zeno, surgeon (Buenos Aires 1884 – Rosario 15 November 1935) was member of Royal Academy of Sciences of London and Correspondent Member of Société de Chirurgie de Paris 

Juan Jose Zunino

Juan José Zunino, Argentine geologist and engineer (died Buenos Aires 07 February 1991) SOME BIBLIOGRAPHY La astenosfera o zona de baja velocidad sismica en el manto superior y sus posibles implicâncias en geotectônica. An. Acad. Cien. Ex. Fis. Nat. 26:149-71, 1974 Evaluation of oil exploration methods. World Oil (Oil Weekly) 126(6):13-20,1947 Tectónica de estructuras fuertemente comprimidas. Bol. Inf. Petrol. Bs. Aires 22(245):17-35, 1945 El plano por medio de la fotografia utilizando el estereocomparador. Bol. Inf. Petrol. Bs Aires 12(127):41-54, 1935 HONORS Zuninaspis Harrington & Leanza 1957 (Trilobita) 

Juan Carlos Zanotti Cavazzoni

Juan Carlos Zanotti Cavazzoni, Paraguayan industrial chemist (died 18 August 2013) From Italian ancestry Authored more than 100 scientific works Developed a new technique for detection of cancer using ultraviolet light With V.E. Zanotti Cavazzoni, A. Miquel & J. Malvetti. Nueva tecnica de detección del câncer en orina observada con luz ultravioleta. Rev. Soc. Med. Mil. Bogotá (1979) Held over 16 patents on biostimulators SOME BIBLIOGRAPHY With V. Cabrera, A. Miquel & J. Malvetti. Enteropatias a colepatogenos tratadas con autovacunas (1998) Cultivo de leguminosas en distintos tipos de suelos con tierras raras y/o ascorbato de titânio. Rev. DIPRI-UNA (1998) Las micorrizas de la mandioca. DIPRI-UNA (1997) With F. Yubero. Cinetica de hidrolisis de nicotinamida con lantanidos en presencia de fosfatos o arseniatos o piroantimoniatos o nitratos (1996) With J.V. Boveda & A. Abrão. Reconhecimento de terras raras individuais por meio de seus complexos fluorescentes com tetraciclina (1993) With V. Zanotti Cavazzoni, A. Miquel, P. Maisare & J. Malvetti. Los autoantígenos en el diagnostico y la terapia del câncer. Autoantígenos y marcadores (1987) With H. Zaldívar de Espínola, V.E. Zanotti Cavazzoni, J. Malvetti & A. Miquel. Terapeutica autoantigenica en alergia infantil (1982) With V.E. Zanotti Cavazzoni, J. Malvetti & A. Miquel. Detection of cancer for antigen-antibody interaction. J. Clin. Chem. Clin. Biochem. 19(8):885, 1981  With C. Sanabria & A. Miquel. Contribución en el tratamiento de procesos alergicos con autoantígenos. Rev. Soc. Cient. Paraguay (1981) Paraguayan diagnosis and treatment for cancer. Coevol. Quart. (1978) Contribución en el tratamento de los procesos alérgicos con la autovacuna E Autovacuna microbiana coadyuvada por fosfolipídios Analisis físico-quimico para el diagnostico clinico y preclinico. Rev. Circ. Parag. Medicos Screening de hongos comestibles que crecen en el Paraguay. Rev. Soc. Cient. Paraguay 1(2):85-9, Prueba de fluorescência de las sustâncias extraídas de la sangre y de otros líquidos orgânicos. Rev. Soc. Parag. Med. Militar 206:9-19,  With J. Malvetti, V.M. Zanotti Cavazzoni & B. Cohenca de Siminovich. Bacterias patógenas más frecuentes encontradas en tracto genito urinário  y sus sensibilidades antibióticas