David Eduard Van Dijk
David Eduard Van Dijk, South African herpetologist and paleontologist (Heidelberg District, Transvaal 14 September 1925 – DESCRIBED NEW TAXA Living Amphibia Genus Hadromophryne 2008 Fossil Insecta Genera Afroedischia 1999 with Geertsema Afroperla 2004 with Geertsema Afrostenovicia 1999 with Geertsema Permoxenopterum 2011 with Gorochov Stenotegmocicada 1999 with Geertsema Species Afroedischia oosthuizeni 1999 with Geertsema Afroperla permiana 2004 with Geertsema Afrostenovicia reidae 1999 with Geertsema Callietheira granthami 1999 with Geertsema Epimastax hesterae 2011 with Rasnitsyn Karoohymen minutus 1999 with Geertsema Permocicada thompsoni 1999 with Geertsema Permoxenopterum laticostum 2011 with Gorochov Prochoristella balgowanensis 1999 with Geertsema Prochoristella bulwerensis 1999 with Geertsema Stenotegmocicada triclades 1999 with Geertsema Fossil Plants (with Lacey & Gordon-Gray 1975) Genera Buthelezia Mooia Rigbya Rusangea Species Belemnopteris elongata Buthelezia mooiensis Fetura natalensis Mooia lidgettonioides Rigbya arberioides Rusangea elegans HONORS Vandijkophrynus Frost, Grant, Faivovich et al. 2006 (Amphibia)
Daniel Moreira Vital
Daniel Moreira Vital, Brazilian cryptogamic botanist (América Dourada, Bahia State 02 October 1924 – DESCRIBED MUSCI TAXA Genus Paranapiacabaea 1992 with Buck Subgenus Campylopidulum 1984 Species Jonesiobryum cerradense 1991 Jonesiobryum termitarum 1991 Paranapiacabaea paulista 1992 with Buck HONORS Danielia Skvortzov 1967 (Ochrophyta) Vitalianthus Schuster & Giancotti 1993 (Hepaticae)
Daniel Alberto Valencio
Daniel Alberto Valencio, Argentine geophysicist (Buenos Aires 16 June 1928 – Buenos Aires 25 May 1987) Authored 147 papers and 3 books Internationally well known for his research contributions in palaeomagnetism and geotectonics Obtained the South American polar wandering curve With K.M. Creer & B.J.J. Embleton. Comparison between the upper Palaeozoic and Mesozoic palaeomagnetic poles for South America, Africa and Australia. Earth Planet Sci. Lett. 7(3):288-92, 1969 Papers in Nature With J.F.A. Vilas. Age of the separation of South America and Africa. Nature 223 (1353), 1969 With J.F.A. Vilas. Palaeomagnetism of some middle Jurassic lavas from South East Argentina. Nature 255 (5229):262-4, 1970
Dang Vu Khuc
Dang Vu Khuc (Khuk), Vietnamese paleontologist (Gia Lam District, Hanoi 04 December 1931 – Hanoi 21 November 2012) DESCRIBED FOSSIL MOLLUSCA TAXA Genera Dalaticeras 2002 with Meister & Huyen Glyptophiceras 1984 Langvophorus 1977 Mesoneilo 1977 Napengocosta 1991 Songdaella 1977 Tongdzuyites 2000 with Meister, Huyen & Doyle Vietnamicardium 1977 Species 79 HONORS Vukhuclepis Janvier, Thanh, Phuong & Truong 1997 (Fossil Pisces)
Chelakara Sivarama Vaidyanathan
Chelakara Sivarama Vaidyanathan, Indian biochemist (Palghat, Kerala State 14 November 1931 – Bangalore 01 September 1999) Discovered new reaction pathways involving metabolism of phenolic and chloroaromatic compounds in plants, fungi and bacteria First to study isolated enzyme systems involved in the aromatic ring fission in higher plants First report of the metabolism of the fungicide Dexon by a soil bacterium With N.G.K. Karanth, S.G. Bhat & V.N. Vasantharajan. Conversion of Dexon (p-Dimethylaminobenzenediazo Sodium Sulfonate) to N,N-dimethyl-p-Phenylenediamine by Pseudomonas fragi Bk9. Appl. Microb. (1974) METHODS With N.U. Khan & A.V. Kamath. Study of interfering substances in a simple, new spectrophotometric assay for phenylalanine ammonia-lyase. Biochem. Intern. 14(3):451-5, 1987 With S.P. Kunapuli & N.U. Khan. A simple and direct method for synthesis of S-mercuric N-dansyl cysteine. Ind. J. Biochem. (1984) With M. Remika Prasad & M. Sugumaran. A new colorimetric method for the estimation of resorcinol. Anal. Biochem. (1977) With P.M. Nair. A colorimetric method for determination of pyrocatechol and related substances. Anal. Biochem. 7(3):315-21, 1964 With K.V. Giri & A.N. Radhakrishnan. A simple paper chromatographic method for the study of transamination reactions. Nature 170:1025-6, 1952 BIOCHEMISTRY With R. Santha, H.S. Savithri, N. Appaji Rao. 2,3 dihydroxibenzoic acid decarboxylase from Aspergillus niger: a novel decarboxylase. Europ. J. Biochem. 230(1):1104-10, 1995 With A.V. Kamath. New pathway for the biodegradation of indole in Aspergillus niger (1990) With N. Narendra, M.A. Viswamitra, R. Venkateswara & K. Sankara Rao. Structure of cryptosin monohydrate: a new cardioactive glycoside. Acta Crystal. Sec C 43(8):1562-4, 1987 With V. Subramanian. Anthranilate hydroxylase from Aspergillus niger: new type of NADPH-linked nonheme iron monooxygenase. J. Bacter. (1984) With S.P. Kunapuli. Purification and characterization of a new indole oxygenase from the leaves of Tecoma stans L. plant Physiol. 71(1):19-23, 1983 With K.V. Giri, A.N. Radhakrishnan & K.S. Gopalkrishnan. Proline and hydroxyproline in leaves. Nature 170:579-80, 1980 With H.K. Sharma. A new mode of ring cleavage of 2,3 dihydroxybenzoic acid in Tecoma stans L. Europ. J. Biochem. (1975) With S.G. Bmat & N. Ramanarayanan. Mandelic acid-4-hydroxylase, a new inducible enzyme from Pseudomonas convexa. Biochem. Biophys. Res. Comm. 52(3):834-42, 1973 With N.S. Sreellela, P.V. Subba Rao & R. Premkumar. A new anthranilic acid hydroxylase from Aspergillus niger. Purifications and properties. J. Biol. Chem. (1969) With N.C. Pillai & K.V. Giri. A blood anticoagulant factor from the latex of Carica papaya. Part I. Purification and general properties. Proceed. Ind. Acad. Sciences Sec. B 42(6):316-24, 1955
Chandra Prakash Varma
Chandra Prakash Varma, Indian paleontologist (fl.1950-81) DESCRIBED FOSSIL TAXA Pollen & Sporae (with Rawat 1963) Genera Foveodiporites Granodiporites Psilodiporites Punctodiporites Retidiporites Striadiporites Species Acanthotriletes halei 1969 Anapiculatisporites mcgregorii 1969 Cyclogranulatisporites mcallisteri 1969 Foveodiporites anklesvarensis 1963 with Rawat Granodiporites erdtmanii 1963 with Rawat Granodiporites piercei 1963 with Rawat Granodiporites sahnii 1963 with Rawat Pediastrum delicatites 1965 with Srivastava Perotriletes graysonii 1969 Psilodiporites bharadwaji 1963 with Rawat Psilodiporites cooksinae 1963 with Rawat Psilodiporites elongatus 1963 with Rawat Psilodiporites gunniae 1963 with Rawat Psilodiporites inaequalis 1963 with Rawat Psilodiporites hammenii 1963 with Rawat Psilodiporites krempii 1963 with Rawat Psilodiporites sahnii 1963 with Rawat Punctatisporites delicatus 1969 Punctatisporites greineri 1969 Punctodiporites harrisii 1963 with Rawat Retidiporites bengalensis 1963 with Rawat Stenozonotriletes arguei 1969 Striadiporites reticulatus 1963 with Rawat Algae Genera Mathurosphaera 1964 with Dangwal Morelletpora 1950 Species Acicularia indica 1954 Archaeolithothamnium lakiensis 1952 Archaeolithothamnium nammalense 1952 Archaeolithothamnium zonatum 1952 Clypeina sahnii 1952 Distichoplax raoi 1962 Gymnocodium piai 1953 with Rao Hemicystodinium taugourdeaui 1964 with Dangwal Hystrichosphaera pseudofurcata 1964 with Dangwal Hystrichosphaeridium cambayense 1964 with Dangwal Hystrichosphaeridium mineralosum 1964 with Dangwal Hystrichosphaeridium perplexum 1964 with Dangwal Lithophyllum wynnei 1953 Mathurosphaera rajivi 1964 with Dangwal Mesophyllum lakiense 1953 Mesophyllum punjabense 1953 Morelletpora nammalensis 1950 Solenomeris douvillei 1953 with Rao Plantae Genera Meliaceaephyllum 1968 Species Meliaceaephyllum mahagonites 1968 Mesembrioxylon sarmai 1954 Mesembrioxylon trichinopoliense 1954