Rubens Ferreira

Rubens Ferreira, Brazilian physiologist (São Paulo 13 March 1901 – Rio de Janeiro 15 March 1972) ACHIEVEMENTS Published nearly 180 works Invented electric devices for studying metabolism   Described the complex of defensive reactions in gastric mucosa (1946) Um novo signal revelador de perturbações renaes. Brasil Medico (1930)  Developed electrotherapeutic methods for curing internal lesions known as metamerotherapy Da metameroterapia. Brasil Medico 66(33-35):505-26, 1952.     See www.coe.ufrj.br/~acmq/radiguet/rf.html  (in Portuguese)

Roberto Farina

Roberto Farina, Brazilian plastic surgeon (São Paulo 11 June 1915 – 16 November 2001) Developed Frontal flap method Nose tip collapse through loss of chondro-mucous substance (repair of nasal lining). Plast. Reconstr. Surg. 13(2):137-43, 1954 Described Farina “riding trousers” type of resection With R. Baroudi, B. Golcman & O. de Castro. Riding-trousers like type of pelvicrural lipodystrophy (trochanteric lipomatosis). Brit. J. Plast. Surg. (1960) Invented nasolabial flap as a method of correcting nasal lining defects in leprosy patients Collapse of the tip of the nose in leprosy caused by loss of chondro-mucosal substance (repair of the nasal mucosa with nasogenal flaps). Ann. Chir. Plast. 7:287-90, 1962 DEVELOPED OTHER TECHNIQUES Saddle and boxer’s nose. Aesthetic Plast. Surg. 7(3):171-5, 1983 With J.B. Villano. Reduction mammaplasty with free grafting of the nipple and areola. Br. J. Plast. Surg. 25:393-8, 1972 With P.B. Magalhães, O. de Castro & B. Golcman. Ectropion and loss of palpebral substance (repair with palpebral and parapalpebral flaps) 1964 Total unilateral harelip. Correction of severe deformity of the palate and lips in a single operation: Le Mesurier’s cheiloplasty & Veau-Ernst gnatho-uranostaphyloplasty. Ann. Chir. Plast. 3:199-205, 1958 Ptose palpebral. Blefaroplastia pela técnica de Wiener-Lexer modificada (1949)

Ricardo de Lemos Froes

Ricardo de Lemos Fróes, Brazilian botanist (Maranhão State 1891 – 1960) DESCRIBED NEW PLANT SPECIES Anacardium negrense 1948 with Pires Axonopus caracarahyensis 1950 with Black Buchenavia longibracteata 1950 Froesia crassiflora 1950 with Pires Humiriastrum villosum 1950 Ichnanthus ephemeroblepharis 1948 with Black Ichnanthus tarumanensis 1950 with Black Lorostemon negrensis 1959 Quiina paraensis 1950 with Pires Schnella longiseta 1950  Strychnos malacosperma 1955 with Ducke Strychnos oyapocensis 1959 Theobroma canumanense 1964 with Pires Ziziphus itacaiunensis 1959 HONORS Froesia Pires 1948 (Quiinaceae) Froesiochloa Black 1950 (Poaceae) Froesiodendron Fries 1956 (Annonaceae) Lemosfroesia (Moraceae)

Ricardo de Carvalho Ferreira

Ricardo de Carvalho Ferreira, Brazilian chemist (Recife 16 January 1928 – Recife 30 July 2013) Authored 129 papers (until 2010) Elaborated the concept of orbital electronegativity Studied the relationship of concept of electronegativity and its connection with the character of the molecular orbitals Electronegativity and Chemical bonding. Adv. Chem. Phys. 13:55-84, 1967 Molecular orbital theory: an introduction. Chemistry 41(6):8-15, 1968 Proposed a model for distinctive growth of RNA-type polymers A two-substrate Michaelis-Menten model for the growth of self-replicating polymers. J. Theor. Biol. 128:289, 1987 Proposed that adaptative enzymes of orbital symmetry that catalyze bimolecular reactions would have two active centers while that others that catalyze single molecular reactions would have only one active center  Enzymes as orbital symmetry adapters. J. Theor. Biol. 39:665-8, 1953 Enunciated a deterministic theory for origin of genetic code With K. Coutinho. Simulation studies of self-replicating oligoribotides, with a proposal for the transition to a peptide-assisted stage. J. Theoret. Biol. 164:291, 1993 Proposed a modification of Kosiakoff-Harker method to calculate the aqueous ionization constants of some inorganic acids (1957)  Papers in Nature How inaccurate is Pauling’s bond energy equation? Nature 219:61, 1968 Dipole moment data and hyperconjugation. Nature 188:848, 1960 Resolution of Racemic mixture by Symmetrical Agents. Nature 171:30, 1953   SOME BIBLIOGRAPHY Selection rules for catalysis in Symmetry-Forbidden reactions. Chem. Phys. Letters 41:370, 1976 Semi-empirical approximation for the Coulomb and bond integrals in simple LCAO Methods. Theor. Chim. Acta 3:147, 1965 A zeroth order approximation for bond energies, hybridization states and bond ionicities. J. Phys. Chem. 68:2240, 1964 With M. Giambiagi & M.S. de Giambiagi. Une approximation pour les parametres  semi-empiriques conjuguées. J. Chim. Phys. 61:694, 1964 The principle of electronegativity equalization. Part I. Trans. Faraday Soc. 59:1064-74, 1963 A method for the calculation of bond moments from electronegativity data. J. Phys. Chem. 63:745, 1959 Sur l’inexistence de l’ion perbromique. Bull. Soc. Chim. France (1950) HONORS     Honorary Fellow, Magdalen College, Oxford (1975) Professeur Extraordinaire, Université de Geneve (1975) Visiting Research Fellow, University of California San Diego, La Jolla, (1991-3; 1995-6 & 1998) Asteroid Ricardoferreira 158520

René Geronimo Favaloro

René Geronimo Favaloro Raffaelli, Argentine cardiac surgeon (La Plata 14 July 1923 – Buenos Aires 29 July 2000) Son of Sicilian immigrants Authored 363 medical works Performed first dissection of internal  mammary artery through an anterior incision (1967) Performed the first documented successful coronary artery bypass graft (1967)  Saphenous vein autograft replacement of severe segmental coronary artery occlusion: operative technique. Ann. Thorac. Surg. 5:334-9, 1968 Performed first bypass surgery for acute infarction (1968) Proposed surgical treatment of evolving infarction With D. Effler, C. Cheanvechai, R. Quint & M. Sones. Acute coronary insufficiency (impeding myocardial infarction and myocardial infarction). Am. J. Cardiol. 28:518-23, 1971 Introduced the use of mammary arteries for grafts and designed instrumentation that enable it EPONYMY Favaloro vascular scissors Morse-Favaloro rib spreader Favaloro-Morse retractor Favaloro proximal anastomosis Favaloro sternal retractor (1967) Favaloro-Semb ligature carrier Favaloro proximal anastomosis clamp Favaloro mammary separator Favaloro tunneling forceps HONORS John Scott Award (1979) Doctor Honoris Causa, Tel Aviv University (1980) Gairdner Foundation INternational Award (1987) René Leriche Prize, International Society of Surgery (1989) Gifted Teacher Award, American College of Cardiology (1992) Golden Plate Award, American Academy of Achievement (1993) Prince Mahidol Award (1999) Medicine & Physiology Nobel Prize nominee (1996) Asteroid 5077 Favaloro

Ramón Ferreyra

Ramón Alejandro Ferreyra Huerta, Peruvian botanist and plant geographer (Callao Province, Lima Department 26 February 1912 – 06 June 2005) Authored over 150 works and 8 books Described 88 species and 3 varietes in Plantae HONORS (Asteraceae) Ferreyranthus Robinson & Brettell 1974 Ferreyrella Blake 1958