Sawai Jai Singh
Sawai Jai Singh II, Indian monarch and astronomer (1686 – 1743) Ruler of Rajput State of Amber (1669-1743) Designed and made some astronomical instruments Samrat Yantra, a gnomon for charting motion of the Sun’s shadow Ram Yantra, for obtaining the altitude and azimuth of planets Raj Yantra, a kind of astrolabe Jai Prakash Yantra, for mapping the position of heavenly bodies Digamsa Yantra, for azimuth measurement Nari Valaya Yantra, a cylindrical dial to measure day time and for the equinoxes Dakshinovvitti Yantra, a mural quadrant Shasthiamsa Yantra, a form of meridian circle Misra Yantra, aided to give the comparative time at different places
Satya Sadhan Sarkar
Satya Sadhan Sarkar, Indian geologist and paleontologist (Howrah, West Bengal State 01 November 1920- DESCRIBED AMMONITE GENERA Balearites 1954 Binelliceras 1977 Dissimilites 1954 Emericiceras 1954 Escragnolleites 1954 Jaubertites 1954 Paraspinoceras 1955 Moutoniceras 1954 Protacrioceras 1955 Spathicriceras 1954 Described at least 34 new species HONORS Sarkariceras Vermelen 2006 (Ammonita)
Satya Narayan Singh
Satya Narayan Singh, Indian helminthologist and parasitologist (Hyderabad 31 August 1911- Hyderabad 08 April 1982) DESCRIBED NEMATODA GENERA Buckleynema 1954 with Ali Leipernema 1976 Shorttia 1977 Velanocephalus 1958 HONORS Satyanarayanotrema Simha & Chattopadhyaya 1980 (Trematoda) Satyanarayana Khan 1984 (Cestoda) Singhiatrema Simha 1954 (Trematoda)
Santos Soriano
J. Santos Soriano, Italian-born Argentine microbiologist (Potenza, Basilicata 10 October 1899 – Buenos Aires 17 July 1983) NEW BACTERIA With N. Walker. Isolation of ammonia-oxidizing autotrophic bacteria. J. Appl. Bacteriol. 31(4):493-7, 1968 With A. Soriano. Nueva bacteria anaeróbia productora de una alteración en sardinas envasadas. Rev. Asoc. Argent. Dietol. 6:36-41, 1948 Described the genus Flexibacter and the order Flexibacteriales in Un nuevo orden de bacterias: Flexibacteriales. Cien. Invest. 1:92-3, 1945 A new anaerobic bacillus which ret flax. Rev. Invest. Bact. Dept. Nac. Hig. 5:741, 1930 DEVELOPED METHODS Simplified methods for soil microbiological analysis. Rev. Biol du Sol (1968) Metodo para la determinación cuantitativa de microorganismos del suelo (1965) Metodo para el aislamiento de las bacterias del aroma de la manteca. Rev. Arg. Agron. (1943) Metodo para obtención y observación de filamentos en las levuras no esporuladas. Folia Biol. Nob. 83-4:354-8, 1938 Estudio microbiologico del proceso de fermentación de la chicha (1938) Dispositivo sencillo para micromanipulación. Folia Biologica 46-9:205-10, 1935 Metodo de observación direta de la microflora y microfauna del suelo en camera humeda. Rev. Arg. Agron. 1:39-48, 1934 With M.J. Amor Asunción & E. Dellepiane. A microbiological method for the study of nutrient defficiencies in the soil With M.J. Amor Asunción & E. Dellepiane. Metodo de analisis microbiologico cuantitativo del suelo em relación com su fertilidad Metodo de aislamiento y posición sistematica de las bacterias flexibles de la celulosa Procedimiento simple de manipulación OTHERS On the presence of Azotobacter agilis in America. Science 89 (2320):563-4, 1939
Salimuzzaman Siddiqui
Salimuzzaman Siddiqui, Pakistani organic chemist (Subeha, Barabanki District 19 October 1897 – Karachi 14 April 1994) Authored over 400 scientific papers Isolated alkaloids as ajmaline, ajmalinine, ajmalicine, isoajmaline, neoajmaline, serpentine and serpentinine from Rauwolfia serpentina many of these used worldwide in the treatment of mental disorder and cardiovascular ailments Discovered and isolated a number of antibacterial compounds from various parts of the neem (Azadirachta indica) and other plants Extracted nimbin, nimbinin and nimbidin from neem oil displaying medicinal properties (1942) Isolated 6 new crystalline bases from Holarrhena anti-dysenterica Reported harmine, harmidine, harmol, harmidol, tetrahydroharmine and amino-tetrahydroharmin from Peganum harmala Isolated the catechol derivative bhilawanol (1931) from bhilawan (Semecarpus anacardium) Isolated and reported the structure of triterpenoids nimolicine, nimoline and 17-hydroxyazadiradione (1972) Isolated chaksine and isochaksine from Cassia absus L., the first alkaloids carrying a monoterpenic nucleus Held 50 patents (chemical compounds) HONORS Doctor Honoris Causa, Frankfurt University (1958)
Sahni family
Mulk Raj Sahni, Indian geologist and paleontologist (Bhera, Shahpur District, West Punjab 01 March 1899 – Lucknow 13 January 1983) Brother of palaeobotanist Birbal Sahni DESCRIBED FOSSIL GENERA Brachiopoda Ambikella 1956 with Srivastava Carneithyris 1925 Chatwinothyris 1925 Concinnithyris 1929 Ellipsothyris 1925 Gibbithyris 1925 Kestonithyris 1925 Magnithyris 1925 Moraviaturia 1960 Neoliothyrina 1925 Ornatothyris 1929 Ornitothyris 1925 Piarothyris 1925 Pulchrithyris 1925 Rectithyris 1929 Vindhyanella 1936 Foraminifera Birbalina 1955 Hukawngia 1954 with Sastri Irrawaddia 1954 with Sastri Kutaungia 1954 with Sastri Kyatsokia 1954 with Sastri Mesania 1954 with Sastri Yanbonia 1954 with Sastri Others Indobrachyops 1958 with Huene (Amphibia) Krishnania 1954 with Srivastava (Acritarcha) Tihkia 1955 (Mollusca) HONORS (Fossil) Sahnithyris Radulovic & Ramamoorthy 1995 (Brachiopoda) Mulkrajanops Sahni & Kumar 1985 (Mammalia) His son, Ashok Sahni, vertebrate paleontologist and stratigrapher (Calcutta 19 August 1941 – DESCRIBED FOSSIL GENERA Mammalia Andrewsiphius 1975 with Mishra Anthraconyx 2013 with Rose, Kumar, Rana & Smith Asiadapis 2007 with Rose, Rana & Smith Birbalomys 1973 with Khare Deccanolestes 1988 with Prasad Indocetus 1975 with Mishra Indosuncus 1985 with Kotlia Ishatherium 1980 with Kumar Kharmerungulatum 2007 with Prasad, Verma, Parmar & Khosla Kunmunella 1971 with Khare Lavanify 1997 with Krause, Prasad, Von Koenigswald & Grine Metkamys 1976 with Srivastava Metkatius 1985 with Kumar Microchiropteryx 2007 with Smith, Rana, Missiaen, Rose, Singh & Singh Mulkrajanops 1985 with Kumar Probison 1968 with Khan Protonycteris 2007 with Smith, Rana, Missiaen, Rose, Singh & Singh Raoella 1971 with Khare Remingtonocetus 1986 with Kumar Sastrilophus 1971 with Khare Sivaladapis 1979 with Gingerich Siwalisorex 1976 with Khare Reptilia Ellipsoolithus 2000 with Loyal, Mohabey & Khosla Rajasaurus 2003 with Wison, Sereno, Srivastava, Bhatt & Khosla Rajaurisaurus 1976 with Sahni Sankuchemys 2003 with Gaffney, Schleich, Singh & Srivastava Aves Indotrigonodon 1983 with Jain Pisdurodon 1983 with Jain Vastanavis 2007 with Mayr, Rana & Smith Amphibia Eobarbourula 2012 with Folie, Rana, Rose, Kumar, Singh & Smith Indorana 2012 with Folie, Rana, Rose, Kumar, Singh & Smith Pisces Eoluvarus 1977 with Choudhary Echinodermata Tridium 1980 with Tandon, Srivastava, Kumar et al. HONORS Sahnitherium Rana & Wilson 2003 (Fossil Mammalia)