Humberto Fuenzalida Villegas

Humberto Fuenzalida Villegas, Chilean geographer and geologist (Curicó 27 March 1904 – Santiago 24 February 1966) Authored over 60 works SOME BIBLIOGRAPHY Serie sedimentaria volcanico con plantas en las islas Snow y Livingston. B. Información paleobotânica preliminar. Resum. Soc. Geol. Chile 9(10):3-4, 1965 Trabajos recientes sobre la geologia de La Antarctica Chilena. Bol. Inst. Antar. Chileno (1965) Los afloramientos plantiferos de El Arrayán, inmediaciones de Santiago. Not. Mens. Mus. Nac. Hist. Nat. 8(100), 1964 Un Megaterium de Tarapacá. Not. Mens. Mus. Nac. Hist. Nat. 7(79), 1963 Megaterios del Norte de Chile. Not. Mens. Mus. Nac. Hist. Nat. 3(36), 1959 Las terrazas marinas en las Provincias de Linares y Maule. Inform. Geogr. 1:12-3, 1951 Notas paleontológicas. Resultados sobre los fósiles de Navidad y Matanzas. Bol. Mus. Nac. Hist. Nat. 25 (1950-1) Distribución de los volcanes del grupo de los Descabezados. Bol. Mus. Nac. Hist. Nat. 19:19-30, 1941 Acerca de algunos fósiles y puquios en el valle de Paipote. Rev. Chil. Hist. Nat. XLIII:319-23, 1938 Informe paleontologico sobre fósiles marinos de la zona carbonifera. Bol. Dept. Min. Petrol. Minist. Fom. Chile 79(8):86-93, 1938 Las capas de los Molles. Bol. Mus. Nac. Hist. Nat. 16:66-98, 1937 Algunos afloramientos paleozoicos de la desembocadura del Choapas. Bol. Mus. Nac. Hist. Nat. 16:37, 1937 El retico en la costa de Chile central. Bol. Dept. Min. Petrol. Minist. Fom. Chile 1-11, 1937 Notas sobre nuevos hallazgos de mastodontes hechos em Chile. Bol. Mus. Nac. Hist. Nat. 15:63-5, 1936 Los caballos fósiles encontrados en Chacabuco y otros con los cuales se relacionam. Bol. Mus. Nac. Santiago 15:47-62, 1936 With R. Latcham. Observaciones geológicas en el território de Aysén. Bol. Mus. Nac. Hist. Nat. 14:1-22, 1935 Noticia sobre lós fósiles encontrados en La Hacienda Chacabuco en abril de 1929. Rev. Chil. Hist. Nat. XL:96-9, 1929 HONORS Fuenzalidaite Konnert, Evans Jr., McGee & Ericksen 1994 (Mineral) 

Humberto Fracassi

Humberto Fracassi, Argentine anatomist (Buenos Aires 28 May 1882 – 1967) Described a new nervous structure fasciculus paprietopraefrontalis Developed tractotomy of parietofrontal fascicle for relieving pain (Fracassi tractotomy) A tractotomia do fascículo parietofrontal na supressão da dor. Prensa Medica Arg. 38(42):2715-22, 1951 Nuevo medio para la conservación de piezas anatômicas y anatomopatológicas. La Prensa Med. 21(19):870, 1934 Patented Automatic degreaser for human bones (1943) SOME BIBLIOGRAPHY Metodos de investigación sobre la circulación coronária. 6th Congr. Nac. Med. Cordoba 1 (19, 18):804, 1938 La segmentación bronquial del lóbulo superior. Arch. Soc. Arg. Anat. 1:392, 1939 Reflujo pielo-venoso pelvico y venoso-pelvico. Prensa Med. Arg. 37:29-33, 1940 Circulación arterial de los huesos largos. Arch. Soc. Arg. Anat. Norm. Patol. 1(8-9), 1941 División bronquial. Arch. Chilenos Morfologia 6:153-68, 1942 Arteria pulmonar. Sus ramificaciones. Sus relaciones. Prensa Med. 33:29, 1943 Anatomia de las venas pulmonales. Bol. Soc. Biol. Concepción 18:99-104, 1944  Arterias interoseas de la mano. Prensa Med. Arg. 32:27-30, 1945  Anatomia del Sistema nervoso simpatico. Rev. Med. Cordoba 34 (1946) Anatomia de las venas pulmonares. Arch. Esp. Morfologia 7:407-46, 1949 With H. Paulini & J.M. Dionisi. Contribution a l’etude des voie lymphatiques. Rev. Fac. Cien. Med. Univ. Nac. Cordoba 7(1):27-39, 1949 Circulación del cerebro. Rev. Univ. Nac. Cordoba 38(21):1-30, 1951 With A. Givré. Nuevas concepciones neuroquirurgicas, fisiopatológicas y anatómicas em relación a la lobotomia pré-frontal antálgica. Med. Esp. 26(152):341-58, 1951 Circulación arterial de los metacarpianos, metatarsianos y sus falanges. Arch. Esp. Morfologia 11(40):91-104, 1954 Arterias de la mano. Arch. Esp. Morfol. 11(39):21-48, 1954  Cierre de envases con preparados anatômicos 

Humberto Fernandez Morán

Humberto Fernandez-Morán Villalobos, Venezuelan biophysicist and microscopist (La Cañada de Urdaneta District, Maracaibo 19 February 1924 – Stockholm 17 March 1999) From Basque, Sephardic Jewish and Carib Indian descent Worked most of his career in United States and Sweden DISCOVERIES First to uncover the complexity of mitochondrial membranes structure Discovered Fernandez-Morán particles or F1 particles or oxysomes in mitochondria (1962)  With Dahl performed first electron microscopy sections of pollen grains (1952) First electron microscopic studies of peripheral myelin (1950) independent from Sjostrand (1950) First electron microscopic observations of radially repeating layers in myelin (1950s) Discovered the paracrystalline character of the myelin sheath With J.D. Green & R. Luft first to study the electron microscopy of the anterior pituitary (1949) Described submicroscopic nerve fibers and other macromolecular complexes INTRODUCED/DEVELOPED Devices Introduced cryo-ultramicrotomy with biological specimens (1952) A diamond knife for ultrathin sectioning. Exptl. Cell Res. 5:255-6, 1953 (US Patent 3060.781) A new microtome with a diamond knife. Industrial Diamond Rev. 16:128-33, 1956 Introduced concept of cryo electron microscopy  and the cryo electron microscope Introduced cryo-ultramicrotome Introduced the use of superconducting objective lens at liquid helium temperature in electron microscopy (Fernandez Moran superconducting lens) Designed first the use of superconducting cryostat lenses in transmission electron microscopy (1966) Improved ultramicrotomes Developed ultra sharp diamond edges for ultra thin sectioning and as a point cathode (1969) Developed sample holders for liquid nitrogen and hydrogen Developed pointed filaments and single crystal filaments for electron micrographs With P. Dennis, A. Caski, J. Sprenger & W. Rawler. Spectrometre à resonance magnétique nucléaire utilisant des transistors. Archives des Sciences 10:233-4, 1957 Techniques With Bullivant first to apply freeze-substitution techniques to ultrastructural studies (1957-60) With J.B. Finean introduced gelatin as an embedding technique medium for electron microscopy (1957) independent from Gilev (1958)   Developed ultra-rapid cryofixation technique employing liquid helium (1960) Described a technique of negative staining of mitochondrial membranes (1962) Described a gelatin-glycerin technique for freezing microtome HONORS Claude Bernard Medal, Université de Montreal (1967) Doctor Honoris Causa, Milton University Nobel Prize nominee  John Scott Medal (1967)

Heitor Praguer Fróes

Heitor Praguer Fróes, Brazilian physician and poet (Cachoeira, Bahia State 25 July 1900 – Rio de Janeiro 26 October 1987) Showed that the venom of Thalassophryne act as a neurotoxin Studies on venomous fishes of tropical countries. J. Trop. Med. Hyg. 36:134-5, 1933 Sur un poisson toxiphore bresilien: le “niquim” Thalassophryna maculosa. Rev. Sud. Am. Med. Chir. 3:871, 1932    Described the pathogenic fungi Actinomyces genesii 1932 & Actinomadura pelletieri 1931  Developed a new technique to compute the infestation in ancylostomiasis by means of egg counting Nova técnica para o calculo da infestação pelos ancilostomídeos por meio da contagem dos ovos (1928) A new formula for robustness coefficient and a table for it  Nova formula para verificação do coeficiente de robustez. J. Clinicos 4(10):150-2, 1932 Registro exacto e cálculo racional da percentagem de hemoglobina no sangue. Brasil Med. 49:1155, 1935 SOME BIBLIOGRAPHY Curva microlymphocytaria no impaludismo agudo. Arch. Bras. Med. 28(10):793-7, 1928 Dermatite a Coleopteres vesicants. Nouvelle experiences et observations sur les coleopteres du genre Paederus. Arch. Ital. Sci. Med. Col. 15:481-8, 1934 Il “blu di metilene” nella terapia della malaria. Riv. Mal. 13:484-6, 1934  Indice espygmurico. Thesis (1927) His father, João Americo Garcez Froes, clinician (São Francisco do Conde, Bahia State 11 October 1874 – Salvador 17 September 1964) Described Garcez Froes cormic murmur in Sopro cormico de timbre musical e insuficiência aórtica Proposed a formula to assess the blood pressure in O Hospital 1:59, 1916 Improved the Cropper method of detecting the malarial protozoa (Cropper-Froes method) The rapid diagnosis of malaria. Jour. Trop. Med. Hyg. 1(9), 1913 Proposed modifications to Beclere radiographic dactyloscopy Roentgen-dactiloscopia onicográfica. Brasil Med. 33:73-4, 1919 SOME BIBLIOGRAPHY  Transient aphasia from malaria. Bras. Med. p.469, 1912 Haemodiagnosis of tropical diseases (1913) A case of febrile quartan malaria with urticaria. J. Trop. Med. London (1921)

Hector Flores

Hector Flores Williams, Chilean mining engineer (1906 – 1984) SOME BIBLIOGRAPHY Geologia de los yacimientos de fierro de Chile. Rev. Inst. Ingen. Minas Chile (1949) Antecedentes geologicos sobre los yacimientos minerals de Chile con excepción del carbono y petróleo (1948) Estudio geologico sobre las minas de plata de Santa Rosa, Provincia de Tarapacá (1946) Geologia de los yacimientos metaliferos de Chile. Bol. Min. 53:500, 1938 With P.E. Hernandez. Estudio minero de la zona aurifera de Colliguay (1933) Informe geológico sobre los yacimientos de asbesto de Morro Bonifacio, Valdivia HONORS Hectorfloresite Ericksen, Evans Jr., Mrose, McGee, Marinenko & Konnert 1989 (Mineral) 

Haifu Fan

Haifu Fan, Chinese crystallographer (Guangzhou, Guangdong Province 15 August 1933 – Beijing 08 July 2022) Developed methods for solving various kinds of phase ambiguity and for direct determination of incommensurate modulated structures Established multi-dimensional direct methods in solving crystal structures With F.H. Li proposed a new image processing method in high-resolution electron microscopy   Proposed the direct-methods aided dual-space fragment extension method, which enhances the power of single wavelength anomalous diffusion (SAD) phasing and automatic structure-model building (incorporated to computer program OASIS) Proposed the combination of the direct method with heavy atom method for solving superstructures