Miguel Angel Virasoro
Miguel Angel Virasoro Regnasco, Argentine theoretical physicist (Buenos Aires 09 May 1940 – Buenos Aires 23 July 2021) ACHIEVEMENTS With R. Baviera. A method that reveals the multi-level ultrametric tree hidden in p-spin glass like systems. J. Statis. Mech. Theory Exper. (2015) With M. Campellone & G. Parisi introduced a method to calculate the finite volume corrections to the mean Field results for the free energy when replica symmetry is broken at one step in J. Statis. Phys (2009) With S. Franz showed that the relaxation of “thermo-remnant magnetization” follows a generalized version of the Onsager regression postulate of induced fluctuations in J. Phys. A Gen. Phys (2000) With M. Mezard & G. Parisi. SK Model: the Replica Solution without replicas. Europhys. Lett. (1986) With G. Parisi, M. Mezard, N.Sourlas & G. Toulouse discovered the ultrametric organization of low temperature spin glass states in infinite dimensions (1984) Variational principle for two-dimensional incompression hydrodynamics and quasigeostrophic flows. Phys. Rev. Letters (1981) With F. Gliozzi & T. Regge showed that gauge fields can be seen as phonon excitations in a condensate of dual strings in Phys. Letters B (1979) Simple dual-resonance model for inclusive reactions. Phys. Review (1971) With K. Kikkawa, S.A. Klein & B. Sakita presented a general formulation of duality theory including nonplanar Feynman-like diagrams (1970) Dicovered finite dimension algebras that bears his name (1969) Generalization of Veneziano’s formula for the five-point function. Phys. Rev. Letters (1969) With D. Amati, R. Iengo, H.R. Rubinstein et al established a “scale-law” for different form factors and the dependence on the spin of the hadron (1968) EPONYMY Virasoro modes Virasoro operators Virasoro restrictions Virasoro groups Virasoro actions Virasoro conditions Virasoro relations Virasoro minimal model Shapiro-Virasoro model
Marthanda Varma Sankaran Valiathan
Marthanda Varma Sankaran Valiathan, Indian cardiac surgeon (Mavelikara, Kerala State 24 May 1934 – Authored over 100 scientific papers, several book chapters and 3 books Established the geochemical cause of endomyocardial fibrosis, i.e., cerium replaces magnesium in cardiac muscle due to deficiency of this element in poor children With Vincent Gott discovered the thrombo-resistant property of surfaces coated sequentially with graphite, benzalkonium chloride and heparin (GBH) DEVELOPED Interventions to reduce the severity of tropical endomyocardial fibrosis The first biomaterial to be made with wall-bonded heparin for clinical applications A series of disposable devices such as hydrocephalus shunt, blood bag, oxygenator, cardiotomy reservoirs, vascular graft and a GBH-coated shunt for resecting aneurysms of the thoracic aorta Chitra-TTK valve, a mechanical valve with a tilting disc design A technique for thoracic aortic bypass using a graphite, benzalkonium chloride and heparin coated shunt
Martha Vannucci
Martha Ana Maria Vannucci, Italian-born Brazilian marine biologist (Firenze 10 May 1921 – São Paulo 15 January 2021) From Italian, English and French descent Regarded as one of world’s foremost expert on mangroves ecology Authored over 100 works She was honorary advisor da International Society of Mangrove Ecosystems and senior expert in marine sciences of UNESCO (1969-89) DESCRIBED VALID NEW SPECIES Cnidaria Calycella gabriellae 1951 Halopteris billardi 1951 Laodicea minuscula 1957 Octophialucium haeckeli 1966 with Soares Moreira Orthopyxis billardi 1954 Stauridiosarsia reesi 1956 Vallentinia gabriellae 1948 Cestoda Otobothrium dinoi 1944 Nybelinia lingualis paucispinosa 1944 HONORS Vannuccia Marcus 1948 (Turbellaria)
Maria Aparecida Vulcano
Maria Aparecida Vulcano d’Andretta, Brazilian entomologist and paleoentomologist (Bragança Paulista, São Paulo State 12 December 1921 – Presidente Prudente, São Paulo State 08 September 2018) In some works appeared as Maria Aparecida Vulcano d’Andretta DESCRIBED INSECTA TAXA Genera Living Coleoptera Antillacanthon 1966 with Pereira Bdelyropsis 1960 with Pereira & Martínez Bolbaffer 1969 with Pereira & Martínez Bolbocaffer 1969 with Pereira & Martínez Bolboceroides 1969 with Pereira & Martínez Brasilucanus 1961with Pereira Chapincanthon 1966 with Pereira Microbolbus 1969 with Pereira & Martínez Mimobolbus 1969 with Pereira & Martínez Ottokelleria 1957 with Martínez Paraegidium 1966 with Pereira & Martínez Paulosawaya 1955 with Martínez Pseudepilissus 1964 with Pereira Pseudoleuretra 1955 with Martínez Diptera Hershkovitzia 1957 with Guimarães Lutzsimulium 1947 with D’Andretta Messiasia 1951 Paramydas 1948 with Carrera Isoptera Species 73 Fossil Raphidoptera Genus Arariperaphidia 1990 with Martins Neto Species Arariperaphidia rochai 1989 with Martins Neto Coleoptera (with Pereira 1987) Genus Cretaceimelittommoides Species Cretaceimelittommoides cearensis Cretaceomelittomoides araripensis Diptera Genus Cretaceosimulium 1985 Species Cretaceosimulium araripense 1985 Hymenoptera Species Cariridres bipetiolata 1989 with Brandão & Martins Neto Isoptera (with Fontes 1998) Genus Mariconitermes Species Cretatermes pereirai Mariconitermes talicei Lepidoptera (with Martins Neto 1989) Genus Gracilepteryx Species Gracilepteryx pulchra Parasabatinca caldasae Undopterix caririensis Neuroptera Genera (with Martins Neto) Araripeberotha 1990 Araripechrysa 1989 Araripeneura 1989 Babinskaia 1989 Blittersdorfia 1989 Caldasia 1989 Caririberotha 1990 Caririchrysa 1989 Caririneura 1989 Cratopteryx 1989 Cratoscalapha 1997 Limaia 1989 Neurastenyx 1997 Paracaririneura 1997 Pseudonymphes 1989 Species Araripeberotha martinsi 1990 Araripechrysa magnifica 1989 Araripeneura gracilis 1989 Araripeneura regia 1989 Babinskaia formosa 1989 Babinskia pulchra 1989 Baisopardus gigas 1997 Blittersdorfia pleoneura 1989 Blittersdorfia pulcherrima 1989 Blittersdorfia volkheimeri 1989 Caldasia cretacea 1989 Caririberotha fairchildi 1990 Caririchrysa venosa 1988 with Martins Neto Caririneura microcephala 1989 Caririneura regia 1997 Cratoalloneura acuminata 1989 Cratochrysa sublapsa 1997 with Martins Neto Cratonemopteryx audax 1989 Cratonemopteryx robusta 1989 Cratonemopteryx speciosa 1997 Cratopteryx robertosantosi 1989 Cratoscalapha electroneura 1997 Limaia conspícua 1989 Mesypochrysa confusa 1989 Mesypochrysa criptovenata 1989 Neurastenyx gigas 1997 Paracaririneura priscila 1997 Pseudonymphes araripensis 1989 Roesleriana exotica 1989 HONORS Vulcanocanthon Pereira & Martínez 1960 (Coleoptera) Vulcanoia Martínez 1954 (Coleoptera) Thanks to Luiz R. Fontes for providing her death date
Manuel Velasco Suarez
Manuel María Velasco Suarez, Mexican neurosurgeon (San Cristobal de las Casas, Chiapas State 28 December 1914 – Ciudad de Mexico 02 December 2001) Authored over 400 works and 6 books With F. Escobedo Ríos described a syndrome in Neurological deficits after severe head trauma (1969) Injected local atropine and later L-dopa through stereotactic surgery being maybe the first in situ implantation of neurotransmitters into the basal ganglia (1970) Improved pallidotomy in the treatment of some dyskinesies (1959) Improved surgical techniques for treatment of intracranial tumors and encephalic vascular malformations Developed and/or improved surgical and clinical treatment for brain cysticercosis Designed an encephalotome (1957) and apparatuses for stereotactic surgery OFFICES Chiapas State governor (1970-6) HONORS Medal of Honor, World Federation of Neurosurgical Societies (1985) Spiegel-Wycis Medal, World Society of Stereotactic and Functional Neurosurgery (1985) Doctor Honoris Causa, Thomas Jefferson University of Philadelphia
Manuel Mateus Ventura
Manuel Mateus Ventura, Brazilian plant biophysicist and biochemist (Fortaleza 17 June 1921 – Brasilia 31 December 2018) His studies about the action of metabolic inhibitors in stomatic movement and effect of antibiotics on vascular plant growth attracted international attention First to report that metabolism inhibitors could affect opening and closure of stomata (1952) With I. H. Lima. Ação do dietilestilbestrol sobre a respiração de tecidos vegetais. Anais da Academia Brasileira de Ciências 31(2):197-202, 1959 With I. H. Lima. Effect of antibiotics on respiration of plant tissues. Phyton – International Journal Of Experimental Botany 7(1):1-5, 1955. Ação do ácido beta-indolil-acético sobre o movimento das articulações de folhas primárias de Stizolobium aterrimum Pip. & Trac. I. Efeito inibidor de 2, 4-dinitrofenol. . Phyton – International Journal Of Experimental Botany 5(1):47-52, 1955. Ação de inibidores enzimáticos sobre a transpiração e comportamento de estômatos. II. Ação do arsenito, 2,4-dinitrofenol e verde de Janus folhas isoladas de Stizolobium aterrimum Pip. & Trac. Revista Brasileira de Biologia 14(2):153-61, 1954. Ação da hidrazida isso-nicotínica (INH) sobre o crescimento de Zea mays em germinação. Anais do IV Congresso Nacional da Sociedade Botânica do Brasil, p. 208-11, 1953. Ação de inibidores enzimáticos sobre a transpiração e o comportamento dos estômatos. I. Ação do fluoreto de sódio sobre folhas isoladas de Stizolobium aterrimum Pip. & Trac. . Anais do IV Congresso Nacional da Sociedade Botânica do Brasil, p. 196-205, 1953. Ação de antibióticos sobre as plantas verdes. III. Ação da cloromicetina sobre a membrana da célula vegetal. Anais da Associação Brasileira de Química 12:157-8, 1953. Ação de antibióticos sobre as plantas verdes. II. Efeito inibidor da cloromicetina sobre o crescimento das radículas de Zea mays em germinação. . Anais da Associação Brasileira de Química 12:189-91, 1953. Ação de antibióticos sobre as plantas verdes. I. Efeito inibidor da terramicina sobre o crescimento das radículas de Zea mays em germinação. Publicação Técnica 3b Escola de Agronomia do Ceará, 1952. OTHERS With R.V. Cunha. Acessório para a densitometria direta de eletroferogramas sobre o papel. Rev. Biologia 1(3-4):273-91, 1958 With J. Xavier Filho, R.A. Moreira et al. Isolation and characterization of two trypsin inhibitors from Vigna sinensis. An. Acad. Bras. Ciencias 43:233-8, 1971 With J. B. Aragão. Tryptophyll fluorescence quenching by iodide ion in a protein. An electrostatic effect. An. Acad. Bras. Ciencias 45:329-30, 1973 HONOURS (International Biographic Centre, England) 2000 Outstanding Scientists of the 20th Century (2000) 500 Founders of the 21st century Leading Scientists of the World (2006) LINKS www.manuelmateusventura.pro.br