Viegas brothers
Ahmés Pinto Viegas, Brazilian mycologist and plant pathologist (Piracicaba, São Paulo State 30 January 1905 – Piracicaba, São Paulo State 25 March 1986) DESCRIBED PLANT PATHOGENIC FUNGI (incomplete) Phyllosticta guajavae, (Phyllosticta leaf spot of guava tree) Phyllosticta manihotae (Phyllosticta spot of manihot) Rubber tree leaf spot (1955) Cercospora urenae with Chupp (cercospora leaf spot of Sida cordifolia) Cylindrocladium candelabrum (Cylindrocladium spot on Eucalyptus) Tomentella bambusina 1939 (bamboo drying disease) DESCRIBED NEW TAXA Valid Genera Bilboque 1960 Brasiliomyces 1944 Crauatamyces 1944 Dermatodothella 1944 Dictyostomiopelta 1944 Felisbertia 1944 Kiehlia 1944 Kretzschmariella 1944 Muricopeltis 1944 Porotenus 1960 Queirozia 1944 with Cardoso Telioclipeum 1962 Urupe 1944 Fungi About 250 HONORS (Fungi) Viegasia Batista 1951 Viegasella Inacio & Cannon 2003 His brother, Glauco Pinto Viegas, plant geneticist and breeder (Piracicaba, São Paulo State 05 May 1913 – Campinas, São Paulo State 05 August 1995) With C.A. Krug developed hybrid maize being Brazil the second country in the world with hybrid maize i.e. from its own strains after United States (1939) (Argentina is the second country to have a hybrid maize but your strains were from United States) With C.A. Krug & L. Paoleri developed maize hybrids IA300, IA1932 & IA1952 Studied lines of wheat and sorghum too DEVELOPED NEW MAIZE VARIETIES Asteca (1957) Maya H7974 H3531 H4624 H6999A & B H7974
Victorio Valeri
Victorio Valeri, Brazilian cytologist and histologist (29 July 1923 – 04 January 2009) Coined the term megetism for indicating excess or defficiency of nuclear volume in relation to normal tissue Estudo da relação entre volume nuclear e quantidade de DNA em células normais e patológicas (carcinoma in situ, carcinoma invasivo e cervicite crônica) do colo uterino. Thesis, Faculdade de Medicina de Ribeirão Preto (1962) With A.R. Cruz, H.J.S. Brandão & L. Lison. Relationship between cell nuclear volume and desoxyribonucleic acid of cells of normal epithelium, of carcinoma in situ and of invasive carcinoma of the uterine cervix. Acta Cytol. 11(6):488-96, 1967 Proposed a new concept of the constitution of the nasal mucosa With W.T. Anselmo, J.A.A. de Oliveira & R.P. Gonçalves. Morphology of human nasal mucosa on the inferior turbinate: a structural model. Amer. J. Rhin. Aller. 5(1), 1991 Nuclear volume and testosterone-induced changes in secretory activity in the submaxillary gland of mice. Science 120 (3128):984-6, 1954 DEVELOPED METHODS With A.E. Fuentes, J.P. Marcondes de Souza & S. Mascarenhas. Experimental model of electric stimulation of pseudarthrosis healing. Clin. Orthop. Related Res. 183:267-75, 1984 With M.A. Sala & M. Matheus. A stereologic study on the thickness of the trophoblastic layer and its regional variation in the human term placenta. Anat. Anzeiger 157(4):257-60, 1983 With M.A. Sala & M. Matheus. Eine neue stereologische methode zur Bestimmung der Dicke in einer-Zell-Lage in Zufallsschnitten (A new stereological method for estimating the thickness of a cellular layer on random sections). Mikrosk. 38 (5-6):127-31, 1981 With M.A. Sala & M. Matheus. Estimation of the average diameter of human placenta villi by a stereological method. Microsc. Acta 82(4):339-43, 1979 MORPHOLOGICAL STUDIES IN ANIMALS With V.R. de Melo & A.M. Orsi. The fine structure of the swine sweat gland. II. The coiled ducts. Acta Morphol. Neerl-Scand. 23(1):47-52, 1985 With V.R. de Melo & A.M. Orsi. The fine structure of the swine sweat gland. I. The acini. Anat. Anz. 156(1):51-6, 1983 With H. Warshawsky, A. Haddad, R.P. Gonçalves & F.L. de Lucca. Fine structure of the venom gland epithelium of the South American rattlesnake and radioautographic studies of protein formation by the secretory cells. Am. J., Anat. 138(1):79-119, 1973 With R.P. Gonçalves, A.R. Cruz & E.M. Laicine. Tubular structure within the granular endoplasmic reticulum of the pars intermedia of toad hypophysis. J. Ultrastruct. Res. 35(1):197-200, 1971
Vertiz family
Ricardo Jacinto Francisco Javier Antonio Alonso Ligorio Vertiz Berruecos, Mexican ophthalmologist (Ciudad de Mexico 16 August 1848 – Ciudad de Mexico 12 November 1888) Developed a procedure for improvement of stumps from ocular enucleation (1887) Developed a method of cataract extraction Proposed a special and indirect conversion procedure for oblique deliveries His ability for cataract surgery was recognized in France His uncle, Francisco Xavier Pedro de Jesus Vertiz Delgado, Mexican surgeon (Ciudad de Mexico September 1817 – Ciudad de Mexico August 1849) Invented metallic retractors for amputations
Valentinuzzi family
Maximo Valentinuzzi, Argentine biophysicist (Río Cuarto 07 August 1907 – Buenos Aires 10 December 1985) From Italian parents Authored about 50 papers Introduced a novel explanation of visual perceptions triggered by strong magnetic fields Proposed the theory of magnetophosphenes in American Journal of Medical Electronics 1(3):112-21, 1962 Authored Magnetobiology and components of magnetochemistry (1961), which laid the foundations of modern magnetobiology SOME BIBLIOGRAPHY/OTHER CONTRIBUTIONS The organs of equilibrium and orientation as a control system (1979) With O. Pompeiano. A mathematical model for the mechanism of rapid eyes movement induced by an anticholinesterase in the decerebrate rat. Arch. Ital. Biologie 114:103-54, 1976 With M.E. Valentinuzzi. Information content of chemical structures and some possible biological applications. Bull. Math. Biophys. 24, 1962 A mathematical interpretation of motor reactions to fixed and moving stimulation of the eye. Bull. Math. Biol. 21:327-41, 1959 Contribución al estudio físico de la contracción uterina. Doctoral Thesis. Facultad Ciencias Medicas, Universidad Nacional de Buenos Aires (1950) On a mathematical expression of the myograph (in Spanish). Rev. Med. Latino-Amer. 23(270):3-25, 1938 LINKS http://pulse.embs.org/may-2014/maximo-valentinuzzi-1907-1985-perhaps-first-latin-american-biophysicist-biomathematician-bioengineer/ His son, Maximo Eugenio Valentinuzzi Mazzulli, bioengineer (Buenos Aires 24 February 1932 – Buenos Aires 02 January 2021) Authored more than 140 papers DEVELOPED TECHNIQUES/FORMULAE/MODELS With E.F.Treo, C.J. Felice, M.C. Tirado & D.O. Cervantes. Hematocrit measurement by dielectric spectroscopy. IEEE Trans. Biomed. Eng. 52:124, 2005 With E.F. Treo & M.C. Herrera. Algorithm for identifying and separating beats from arterial pulse records. Biomed. Eng. On Line 1, 2005 With M.E. Spinelli, C.J. Felice, M.A. Mayorsky & J.C. Politti. A correlation technique for muscle fiber action potential conduction velocity measurement using a single acquisition channel (1998) With I.Y. Godínez Zavala & G. Mata Hernandez. Modificaciones al algoritmo de Thakor para detectar fibrilación ventricular (1995) With N.M. Patiño. Reconstruction algorithm for electrical impedance tomography based on the linear approximation method (1995) With G.V. Savino & E. Ruiz. Two methods for estimating transventricular impedance during fibrillation (1981) With B.J. Stogdill, J.P. Rosborough, S. Deavers & H.D. Millar. A technique for estimating aortic compliance in dogs. Fed. Proc. 36(3):513, 1977 With H.E. Hoff & L.A. Geddes. A two compartment model for the release and action of acetylcholine in the heart. Circ. Res. 33(5):532-8, 1973 With M.E. Valentinuzzi & J.A. Posey. Dilution curve area: fast estimation by a compartmental procedure. J. Assoc. Advanc. Med. Instrum. 6(5):335-43, 1971 A mathematical model of the electrocardiography QT-RR relationship. Med. Biol. Eng. 9(4):255-61, 1971 A mathematical model of the hepatic portal system. Med. Biol. Eng. 9(3):213-20, 1971 With L.A. Geddes & L.E. Baker. The law of impedance pneumography. Med. Biol. Eng. 9(3):157-63, 1971 With L.A. Geddes & L.E. Baker. A simple mathematical derivation of the Stewart-Hamilton for the determination of cardiac output. Med. Biol. Eng. 7(3):277-82, 1969 DEVELOPED DEVICES With N.M. López, N. de Diego, R. Hernandez, E. Pérez & G. Ensinck. Customized device for pediatric upper limb rehabilitation in obstetric brachial palsy. A case study. Am. J. Phys. Med. Rehab. (2013) With R.E. Madrid & C.J. Felice. Automatic on-line analyzer of microbial growth using simultaneous measurements of impedance and turbidity. Med. Biol. Eng. Comput. 37(6):789-93, 1999 With R.J. Martínez, M.C. Herrera, C.J. Felice & E. Ruiz. Virtual dispositif for direct measurement of aortic entry impedance (1997) With R.J. Martínez, J.M. Olivera & C.J. Felice. Hydraulic analyzer for catheter transducer systems (1994) With C.J. Felice, O.E. Clavin, J.C. Spinelli & B.del V. Gallo. Low cost digital impedance meter for the detection of micro-organisms. J. Biomed. Eng. 10:448-52, 1988 With M.C. Herrera, O.E. Clavin & J.C. Spinelli. Multichannel tetrapolar admittance meter for intracardiac measurements (1984) With S.G. Guillén. Automated processor of dilution curves (1979) With G.V. Savino, O.E. Clavin & S.G. Guillén. Capacity cardiac defibrillator thyristor-controlled (1978) With O.E. Clavin. Impendancímetro biologico de alta linealidad (Biological impedance meter of high linearity). Acta Physiol. Latinoamer. 7:215-30, 1977 With E. Martínez Santos & J. Santos. Desarrollo de un medidor neumatico de distancias (Development of a distance pneumatic gauge). Anales Soc. Cient. Arg. 181:81-93, 1966 HONOURS Nightingale Prize of Bioengineering, IFMBE & BES (1973) Career Achievement Award, IEEE & EBMS (1996) Life Member, IEEE (1999)
Vaccarezza family
Oscar Andrés Vaccarezza Chiesa, Argentine physician (Alberti, Buenos Aires Province 26 October 1905 – Buenos Aires 16 January 1982) Developed a modification of Finocchietto paradoxal incision Created thoracocavernostomy (1953) Procedimiento quirurgico em el tratamiento de los quistos hidáticos del pulmón. Arch. Int. Hidatid. (Surgical procedure for treatment of pulmonary hydatid) Aparato electrico para la aspiracíon continua de cavidades (Electric device for continuous aspiration of cavities) Toracoplastia anterior por via interpectoral (modificación a la técnica de Graf-Schmidt-Abelberger). Anales Cat. Pat. Clin. Tuberc. 1:111-23, 1939 His cousin, Raul Francisco Ladislao Vaccarezza Rilla, Argentine surgeon (27 June 1893 – 27 May 1981) Sobre un signo estetacustico en la esclerosis pulmonar difusa. (About a stethacoustic sign in diffuse pulmonar sclerosis.) Rev. Pal. Infec. Tub. 2(7), 1938 With A. Soubrié. El síndrome de la obstrucción bronquial com filtración aérea (syndrome of bronchial obstruction with air filtration). Prensa Med. Arg. 35:1527, 1948 Inyección intratraqueal de lipiodol, método empleado. (Intratracheal injection of lipiodol, employed method). Prensa Med. Arg. 18, 1978 Developed a trocar with conic mandril Eponym of Vaccarezza valves A relative, Jorge Raul Vaccarezza Perez, physiopathologist (Buenos Aires 14 July 1929 – Buenos Aires 07 November 2003) With D.C. Ruiz & A.C. Domínguez. Colorimetric method for measuring pseudocholinesterase, acetylcholinesterase and whole blood cholinesterase. Its use in the presumptive diagnosis of cancer (1969) With J.A. Willson & A.A. Bochi. A new test for presumptive diagnosis of neoplastic disease. Further investigations of cholinesterase in plasma, whole blood, and blood cells on cancer of the lung, extrapulmonary tumors and tuberculosis. Chest 49(5):449-58, 1966 A relative, Rodolfo Agustín Vacarezza Ottonello, phthisiologist and sanitarist (Alberti, Buenos Aires Province 16 November 1894 – Buenos Aires 16 June 1970) Eponym of Vaccarezza curves (1934) and Vaccarezza reaction both of them for tuberculosis
Thomas Van der Hammen
Thomas Van der Hammen, Dutch-born Colombian palynologist, paleoclimatologist and archaeologist (Schiedam 27 September 1924 – Chia, Cundinamarca Department 10 March 2010) Authored over 400 publications Developed Van der Hammen classical nomenclature system in palinology Principios para la nomenclatura palinologica sistemática. Bol. Geol. 2(2), 1954 First to discover Preceramic cultures in a stratigraphic sequence (1967-8) With G. Correal & J. Lerman. Artefactos liticos de abrigos rocosos en El Abra, Colombia. Informe preliminar. Rev. Col. Antrop. 24:12-46, 1966-9 With W.R. Hurt & G. Correal Urrego. Preceramic sequences in the El Abra rock shelters, Colombia. Science 175(2046):1106-8, 1972 Described at least 65 new fossil genera of spores/pollen HONORS Hammenia Ward 1986 (Fossil Sporae/Pollen) Hammenisporis Saxena & Trivedi 2009 (Fossil Sporae / Pollen)