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)

Telemaco Hippolyto de Macedo Van Langendonck

Telêmaco Hippolyto de Macedo Van Langendonck, Brazilian structural engineer (Bagé, Rio Grande do Sul State 02 April 1909 – 09 February 1994) From Belgian and Portuguese descent Son in law of physician Adolpho C. Lindenberg First to determine the deck contribution on arch bridges resistance (1942) Showed the influence of elastic and slow deformations on determining the resistance to buckling (1945) First to take account loading in reduced area on concrete Proposed employing orthogonal functions for solving torsion problems creating many algorithms for calculating the moments of inertia to the torsion and moments of resistance to the torsion Funções ortogonais na resolução de problemas da teoria da elasticidade (1952) with international acclaim First to propose Heaviside step-function in solving problems at building statics Discussion of the application of Heaviside’s step-function to beam problems. Proceed. ASCE (1953) First in the world to introduce the calculation of concrete plastificaction as a technical norm (1937) before German engineers (1972) Proposed simplified formulae that enable the coefficients calculation of slow deformation and concrete shrinkage as a function of time   Enunciated elementary theory of elastic joints (1975) Developed a iterative process for determining buckling load in lattice portal and buildings  Critical loads of building frame. Mémoires da AIPC (1975), a very worldwide used for structural calculations Developed computer program named Flampor for calculating buckling load in HP-41 pocket calculators  Eponym of Van Langendonck process AUTHORED Tabelas para o cálculo de carga de flambagem de barra reta isostática de secção variável (1953) e Carga axial de flambagem de barras retas de secção variável, with international repercussion and they were reproduced under the title Eine Numerische Lösung des Knickproblems    A study about partially buried piles and bridges by ABCP de São Paulo (1957) later translated into French Critical loads of building frame. Mémoires da AIPC, a very worldwide used for structural calculations  Cálculo de Concreto Armado (1944-54) Teoria Elementar das Charneiras plásticas (1970), quoted in a number of international publications about concrete HONORS Honorary Member, American Concrete Institute (1974) & Académie Royale des Sciences d’Outre-Mer, Belgium  Main Bibliography A Construção São Paulo 2181:6-9, 1989 

S C Verma

S.C. Verma, Indian helminthologist and parasitologist (fl.1917-55) Genera Acanthosentis 1929 with Datta Episthochasmus 1935 Pseudoechinochasmus 1936 Dissurus 1936 Procrassiphiala 1936 Ridgeworthia 1936 Species Acanthobothrium semnovesiculum 1928 Acanthobothrium semivesiculum 1928 Acanthogyrus antespinus 1929 with Datta Alaria robusta 1936 Allodiplostomum hindustani 1936 Apharyngostrigea egrettii 1936 Apharyngostrigea ramai 1936 Bucephalopsis garuai 1936 Bucephalus aoria 1936 Bucephalus tridenticularia 1936 Bucephalus jagannathai 1936 Bucephalopsis magnum 1936 Chaunocephalus similiferox 1936 Cotylurus streptocorpus 1936 Cyathocotyle calvusi 1936 Dissurus farrukhabadi 1936 Echinochasmus bagulai 1935 Echinochasmus caninus 1935 Echinochasmus ruficapensis 1935 Echinoparyphium gizzarda 1936 Echinoparyphium splendens 1936 Echinostoma bhattacharyai 1936 Echinostoma crecci 1936 Echinostoma longicirrus 1936 Echinostoma minimus 1936 Echinostoma novum 1936 Echinostoma pentalobum 1936 Episthmium caninum 1935 Gangesia agraensis 1928 Hypoderaeum longitestis 1936 Hypodaerum magnocirrusa 1936 Hypodaerum mainpuria 1936 Microparyphium montei 1936 Neodiplostomum cuckooai 1936 Neodiplostomum globiferum 1936 Ophiosoma macrocephalum 1936 Opisthorchis pedicellata 1927 Paryphostomum novum Patagifer wesleyi 1936 Posthodiplostomum grayi 1936 Procrassiphiala triticum 1936 Prosorhynchoides confusus 1936 Prosorhynchoides fusiformis 1935 Prosorhynchus minimus 1936 Prosorhynchus truncatus 1936 Proteocephalus rita 1926 Proteocephalus vitellaris 1928 Pseudodiplostomum cochlearis 1936 Pseudodiplostomum fraterni 1936 Pseudoechinasmus satjivani 1936 Ridgeworthia rami 1936 Spinitectus indicus 1932 with Agarwala Stephanophora pennanti 1936 Strigea globocephala 1936 Strigea streptocorpus 1936 Tremiorchis varanum 1930 Vermaia pseudotropii 1928 HONORS Vermaia Nybelin 1942 (Cestoda)