Mandyam Osuri Parthasarathy Iyengar
Mandyam Osuri Parthasarathy Iyengar, Indian phycologist (Madras 15 December 1886 – 10 December 1963) DESCRIBED ALGAE GENERA (some are posthumous) Chlorophyta Characiellopsis 1975 Characiosiphon 1936 Chlamydocystis 1975 Cylindrocapsopsis 1957 Delphinomonas 1976 Dendrocystis 1962 Ecballocystella 1975 Ecballocystopsis 1933 Fortiellopsis 1976 Fritschiella 1932 Gilbertsmithia 1975 Gloeotilopsis 1956 with Philipose Heterothrichopsis 1941 with Kanthamma Hormidiella 1940 with Kantamma Melomonas 1976 Palmellosphaerium 1971 Pyramidococcus 1976 Stylosphaeridiella 1975 Ulotrichella 1975 Others Cladospongia 1940 with Ramanathan (Protozoa) Mastigocladopsis 1946 with Desikachary (Cyanophyceae) Triplastrum 1942 with Ramanathan (Charophyta) HONORS Iyengarina Subramanian 1958 (Fungi) Iyengariella Desikachary 1953 (Cyanophyceae) Iyengaria Boergensen 1939 (Phaeophyceae) Iyengariomonas Desikachary 1965 (Chlorophyta)
Juan Manuel Iturbe
Juan Manuel Iturbe Bescanza, Venezuelan parasitologist, microbiologist and tropical physician (Guanare, Portuguesa State 24 July 1883 – Caracas 18 February 1962) With Eudoro Gonzalez authored works with international resonance in 1916 such as Performed in vitro cultivation of Plasmodium vivax (1916) Studied birds paludism (1916) Discovered Trypanosoma lineatus (1916) Discovered the intermediate host of bilharziasis and leishmaniasis in Venezuela HONOURS Nocht Medal, Tropical Institute of Hamburg (1930)
José Izquierdo Esteva
José Benito de la Consolación Izquierdo Esteva, Venezuelan surgeon (Caracas 12 January 1887 – Caracas 03 December 1975) Authored 57 scientific papers Developed new surgical techniques Proposed the extravesical suprapubic prostatectomy or Millin technique later the English surgeon popularized it Prostatectomia suprapúbica extravesical. Gac. Med. Caracas 21 (23):233-5, 1914 LINKS (bibliography) http://vitae.ucv.ve/?module=articulo&rv=66&n=2376&m=4&e=2380 His nephews, Francisco Plaza Izquierdo, Venezuelan surgeon and anatomist (Caracas 01 February 1916 – 25 December 2007) Developed a technique for replacing human arteries using umbilical cord as vascular prosthesis (1962) El cordón umbilical como substituto de condutor orgânico y tejidos. Bol. Soc. Venez. Cir. 71-2:14-20, 1963 Heteroinjertos vasculares experimentales com cordón umbilical. Bol. Soc. Venez. Cir. 18(5):1069-77, 1964 Utilidad de la vena del cordón umbilical en la reparación de arterias humanas (1983) SOME BIBLIOGRAPHY Gastroduodenostomia combinada o no con ligadura del piloro en el tratamiento del ulcus gastro-duodenal (1940) Variación de la arteria femoral profunda Fasciculo condor epitroclear del pectoral mayor Luis Plaza Izquierdo, Venezuelan surgeon and anatomist (Caracas 24 May 1920 – 1982) Developed Yerena-Plaza Izquierdo technique for staining microscopic sections (1969)
John Imray
John Imray, Scottish physician in Dominica (Forfarshire 11 January 1811- Saint Aroment 22 August 1880) Authored Memoir on Yaws (1873) becoming the greatest authority on framboesia of his day First observed tumors occupying the cavities of the heart covered with a smooth transparent membrane on the mal d’estomac or cachexia africana On the mal d’estomac, or cachexia africana, amongst the negroes of Dominica. Edinb. Med. Surg. J. 59:304-21, 1843 Collected new plant species from Dominica described by botanists SOME BIBLIOGRAPHY The useful woods of the island of Dominica. Technologist 2:382-91, 1862 Observations on the characters of endemic fever in the island of Dominica. Edinb. Med. J. 70:1848 On the nature, causes and treatment of yellow fever. Edinb. Med. J. (1841) Observations illustrating the characters of a febrile epidemic which prevailed in Dominica in 1838. Edinb. Med. J. 53:78-95, 1840 On the treatment of tetanus by opium and hydrate of chloral in combination
Ivanissevich family
Oscar Ivanissevich Defilippis, Argentine physician and diplomat (Buenos Aires 05 August 1895 – Buenos Aires 06 June 1976) From Croatian descent Developed suprainguinal approach ligation of only the spermatic vein for cure of left scrotal varicocele known as Ivanissevich-Gregorini method With H. Gregorini. Una nueva operación para curar el varicocele. Sem. Med. 25:575, 1918 Proposed retroperitoneal varicocele method Varicocele. Rev. San. Militar 36:201, 1937 With José B. Velez Díez Canseco & Carlos I. Rivas. Ginecomastia. Nueva técnica para su tratamento quirurgico. Bol. Inst. Clin. Quir. Univ. Buenos Aires 17:381, 1941 With J. Arce proposed surgical methods for hydatid cysts With I. Prini, R.C. Ferrari & C. Rivas developed innovative techniques of plastic surgery OFFICES Minister of Education (1948-50; 1974-5) EPONYMY Ivanissevich-Ferrari minimal appendicular syndrome (1933) Ivanissevich-Rivas notch sign (1945) Ivanissevich-Ferrari double arc sign for diagnosis of lung hydatidosis (1938) Lagos García-Segers-Ivanissevich’s water-hyacinth sign for diagnosis of lung hydatidosis Ivanissevich rhinoplasty Ivanissevich maneuver for verifying blood reflux (first proposed by Key-Curling) Ivanissevich technique for opening a parametric ascending abscess of iliac crest His brother, Ludovico Ivanissevich Defilippis, civil engineer (14 February 1889 – August 1957) With Enrique Butty patented an apparatus to track ellipses, parables and hyperboles (number 5375) Son of Ludovico, Ludovico Ivanissevich Machado, hydraulic engineer (Buenos Aires 13 August 1927 – CONTRIBUTIONS Universal diagram for right hydraulic calculation of pipelines (Extension of Powell diagram) 1966 Pouring gate of automatic branching with constant net output (1970) Mathematical model for irrigation and drainage networks (1971) Formulae for calculating abrasion bounds in rocky and granular beds (1980) Sunken springboard theory of simple launching (1981) Mathematical model for studying bed abrasions and cofferdams stability during river deviation (1985)
Ivan Antonio Izquierdo
Ivan Antonio Izquierdo Gobic, Argentine-born Brazilian neurobiochemist (Buenos Aires 16 September 1937 – Porto Alegre 09 February 2021) Son of Croatian mother ACHIEVEMENTS Internationally respected as world leader in memory physiology Pioneer on research about endogenous opioids Discovered neurohumoral (β-endorfine & benzodiazepinics) and hormone mechanisms that regulates formation, evocation, persistence and extinction of memory Obtained the memory solidification map Determinated the cascade of biochemical events in hippocampus and in other brain structures required to memories formation Discovered functional, anatomical and molecular separation between short term and long term memories (1998) and the endogenous state dependence as a key regulator in memory and brain functioning Discovered the key role of neurotrophic factors and ubiquitine/proteasome system in hippocampus for memory formation (2001-6) With J. Medina, M. Cammarota, J. Rossato & B. Bevilaqua discovered brain mechanism via dopamine that controls the persistence of recollections in the memory (2009) With J. Miskiw & C. Furini discovered a hippocampal mechanism that causes fear memory extinction (2014) Authored with J.H. Medina. Memory formation: the sequence of biochemical events in the hippocampus and its connection to activity in other brain structures. Neurobiol. Learn. Memory 68(3):285-316, 1997 (with over 1,000 citations) With D.M. Barros, T. Mello e Souza, M.M. de Souza, L.A. Izquierdo & J.H. Medina. Mechanisms for memory types differ, Nature 393:635-6, 1998 Held over 25,000 citations HONOURS UNESCO – Equatorial Guinea International Prize for Research in Life Sciences (2017)