Augusto Barbosa da Silva
Augusto Barbosa da Silva, Brazilian mining engineer (Nova Lima, Minas Gerais State 15 Sep 1860 – Ouro Preto, Minas Gerais State 16 Jun 1939) ACHIEVEMENTS Regarded as one of the world pioneers in electrometallurgy Held many patents related to iron and steel production employing electricity Patented a process for production of pig iron, iron and its alloys jointly with a eletrical furnace that make it in 1902 (with Joseph Gerspacher) Designed and built the first electric furnace in the world for production of iron and steel (1905) Patented and constructed an innovative electrical furnace for ferromanganese production (1908) that attracted international reputation HONORS Gold Medal, International exposition of Industry and Commerce, Torino, 1911.
Ather Siddiqi
Ather Husain Siddiqi, Indian helminthologist (1924 – Authored many papers about biochemistry and morphology of nematodes DESCRIBED NEMATODA TAXA Genera Allobacciger 1970 with Hafeezullah Allomegasolena 1960 with Cable Annulospira 1969 with Jairajpuri Bilecithaster 1960 with Cable Farooqifilaria 1970 with Jairajpuri Francofilaria 1970 with Jairajpuri Francolinema 1970 with Jairajpuri Infundibulostomum 1960 with Cable Neoapocreadium 1960 with Cable Neodioecocestus 1960 Neogeolinea 1960 with Cable Neohelicometra 1960 with Cable Neomegasolena 1960 with Cable Neometadena 1970 with Hafeezullah Neoparantorchis 1971 with Hafeezullah Nordia 1964 with Jairajpuri Odoncotyle 1971 with Hafeezullah Pinguitrema 1960 with Cable Pseudobarisomum 1960 with Cable Species About 90 HONORS Athernema Ahmad & Jairajpuri 1978 (Nematoda)
Ashok Kumar Sarbhoy
Ashok Kumar Sarbhoy, Indian mycologist and plant pathologist (15 June 1939 – 16 August 2006) DESCRIBED PLANT DISEASES With D.K. Agarwal. Two new diseases of ornamental plants: Fusarium rot of gladiolus and Mammalaria species. Curr. Sci (1983) With J.S. Grewal. A new steam rot of arhar caused by Phytophthora. Indian Phytopathol. (1970) DESCRIBED FUNGI TAXA Valid Genera Hemicarpenteles 1968 with Elphick Morrisiella 1985 with Saikia Sclerotiella 1974 with A. Sarbhoy Species At least 75 HONORS Sarbhoyomyces Saikia 1981 (Fungi)
Ary Apparecido Salibe
Ary Apparecido Salibe, Brazilian plant pathologist and horticulturist (Limeira, São Paulo State 01 September 1934 – Limeira, São Paulo State 19 November 2013) Authored over 400 works Regarded as world authority on citrus diseases Described leaf curling of citrus or crespeira Leaf curl a transmissible virus disease of citrus. Plant Disease Reporter 43:1081-3, 1959 Crespeira: uma nova doença de virus dos citros. Cien. Cult. 19:302, 1967 Proposed double graft for identifying infection by exocortis and xiloporosis virus Contribuição ao estudo da doença exocorte dos citros. Doctoral thesis (1961) A quick field test for xiloporosis virus (1963) HONORS Invited Professor of Citriculture, Florida University (1973) President, International Organization of Citrus Virologists (1980-3)
Arun Kumar & Archana Sharma
Arun Kumar Sharma, Indian plant cytogeneticist (Kolkata, West Bengal State 31 December 1924 – Kolkata, West Bengal State 06 July 2017) Developed new research techniques for the study of chromosome structure of plants such as orcein banding technique for repeated DNA sequences and multiple DNA analysis Chromosome banding and repeated DNA. J. Ind. Bot. Soc. 54:1-8, 1975 With his wife Archana Mookerjea developed novel methods of pre-treatment and staining cells to visualize chromosomes structure used throughout the world Both authored the textbook Chromosome techniques – theory and practice (1965), a standard reference book worldwide used Enunciated a new concept of speciation in vegetatively reproducing plants and/or asexual organisms With A. Sharma. Fixity in chromosome numbers of plants. Nature 177:335-6, 1956 A new concept of means of speciation in plants. Caryologia 9:93-103, 1956 Introduced a new protocol to induce division in adult nuclei through the chemical application Proposed the concept of dynamic DNA Proposed new concepts about structure dynamics and behavior of chromosomes Dynamicity of chromosomes – understanding and application. Jour. Sci. Ind. Res. 31:545-6, 1972 Evidence of dynamism as a basis for chromosomal control of genetic reactions. Nucleus 20:4-10, 1977 Showed that chemical composition of chromosomes varies along organogenesis, differentiation and reproduction Suggested the use of embryo irradiation and in vitro cultures for the generation of variability (1970s) Papers in Nature With A. Gupta. Chromosome breakage with plant pigments. Nature 184:821, 1959 With C. Talukdar. Structural heterozigosity of Cipura paludosa Aublet. Nature 180:662-3, 1957 With A.K. Sharma. Fixity in chromosome numbers of plants. Nature 177:335-6, 1956 With S.K. Sarkar. A new technique for the study of chromosomes of palms. Nature 176:261, 1955 With D. Bhattacharjee. Effect of trichloracetic acid on nuclear proteins. Nature 169:417, 1952 Trichloracetic acid and Feulgen staining. Nature 167:441-2, 1951 Methods With D. Chattapadhyay. A new technique for orcein banding with acid treatment. Stain Techn. 63(5):283-9, 1988 With A.K. Kundu. A rapid screening technique for detection of Diosgenin through in situ cytophotometry, Stain’s Techn. 63:369-72, 1988 With M. Chaudhuri & D.P. Chakraborty. Isopsoralene and its use in karyotype analysis. Stain Techn. 37:95-7, 1962 With S. Mukhopadhyay. A new technique for karyotype study of Oryza. Rice News Letter (1959) Improvements in chromosome fixation. Sci. Cult. 21:648-50, 1956 With S.K. Sarkar. A new technique for the study of chromosomes of palms. Nature 176:261, 1955 With C. Ghosh. Oxyquinoline – as an ingredient in a new fixative for chromosome analysis. Sci. Cult. 16:268-9, 1950 Others With U.C. Lavania. An interphase model for mitotic chromosome organization in Eukaryota. Biosystems 14:171-9, 1981 With A. Sharma. A theory regarding the stability of chromosome complement in a species. Naturwiss. 44:1-17, 1957 HONORS Sharmastachys Banerjee & D’Rozario 1999 (Fossil Plantae) LINKS https://www.researchgate.net/publication/324753466_In_Memoriam_Prof_Arun_Kumar_Sharma_1924-2017 (bibliography) His wife, Archana Mookerjea Sharma, Indian cytogeneticist and cytotoxicologist (Pune, Maharashtra State 16 February 1932 – Kolkata, West Bengal State 14 January 2008) Authored over 300 research and review papers besides 10 books With her husband Arun Kumar Sharma developed novel methods of pre-treatment and staining cells to visualize chromosomes structure used throughout the world Both authored the textbook Chromosome techniques – theory and practice (1965), a standard reference book worldwide used Enunciated a new concept of speciation in vegetatively reproducing plants and/or asexual organisms With A.K. Sharma. Fixity in chromosome numbers of plants. Nature 177:335-6, 1956 Published the paper Tumor production in plants by plant extract. Nature 184:1083-4, 1959 Presented relevant studies on cytotaxonomy of flowering plants with new findings and concepts LINKS https://www.insaindia.res.in/BM/BM35_0913.pdf
Arthur Otto Schwab
Arthur Otto Schwab, Brazilian pharmacist, chemist and biochemist (Curitiba 1906 – ?) His thesis Tensão superficial e a elasticidade pulmonar (1938) international repercussion ACHIEVEMENTS Discovered correlations between surface tension and pulmonary alveolus Tensão superficial e a elasticidade pulmonar. Thesis (1938) Developed a simple method for determination of the globulin-albumin ratio in spinal fluid Método simples para determinação do quociente proteico no liquor. Arqu. Biol. Tecnol. 1:33-8, 1946 Proposed a formula to obtain a limitation of the number of repetitions in physico-chemical measurements Regra pratica para a limitação das repetições nas medidas físico-químicas. Arqu. Biol. Technol. 2:33-40, 1947