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Sivaramakrishna Chandrasekhar

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0.5 mm, and to the extensions of the molecular theory of nematic liquid crystals beyond the MS model. Chandrasekhar was invited to establish a liquid crystal laboratory in RRI after the Department of Science and Technology started supporting it in 1971. The move had a highly positive impact on his productivity. Along with a couple of former students who moved with him to RRI, in a short time, he developed a laboratory with all the essential facilities needed for research in the chosen area. Realizing that cutting-edge research would not be possible without an in-house capacity to produce new materials, a
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Other major conferences Chandrasekhar organized include the Ninth International Liquid Crystals Conference in 1982 and the Second Asia-Pacific Physics Conference in 1986. After retiring from the RRI in 1990, Chandrasekhar started the Centre for Liquid Crystal Research in a building made available by
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or MS theory) started a revival of the subject. Chandrasekhar and his co-workers made contributions to the application of the dynamical theory of reflections to study the fascinating optical properties of cholesteric liquid crystals which have a helical structure with a pitch which is usually ~
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The subject has had yet another resurgence in 1996, when Japanese scientists discovered new types of liquid crystalline phases exhibited by compounds made of another new type of (banana-shaped) molecule having bent-cores. Many such compounds exhibit columnar liquid crystalline phases.
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in the 1920s and 30s. Some physical studies had been undertaken by the German and Russian schools during that era, but the subject later languished till the mid-fifties. Starting in the late fifties, the systematic synthetic effort by
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was set up. Soon many new experimental and a few theoretical results emerged and the Liquid Crystal Laboratory at RRI became one of the leading centres of research in the world. The twisted nematic
815: 276:. The main topic of his research was related to optical rotatory dispersion measurements on several crystals. He received the D Sc degree from Nagpur University in 1954. Then he went to the 2591: 227: 135: 1485: 349:
was invented in Europe in 1971 and recently, LCDs have displaced CRTs as commercially the most important displays. In cooperation with Chandrasekhar and his colleagues, the
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at London also dealt with crystallographic problems. He returned to India in 1961 as the first Head of the Department of Physics, which had just been started in the
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on the international map in the field of liquid crystals. Chandrasekhar hailed from the most illustrious family of physicists in India.
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Gray, G. W.; Luckhurst, G. R.; Raynes, E. P. (2007). "Sivaramakrishna Chandrasekhar. 6 August 1930 -- 8 March 2004: Elected FRS 1983".
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Liquid crystals made of rod-like molecules had been discovered in 1888, and many compounds had been synthesized at
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The pinnacle in Chandrasekhar's scientific career came in 1977, when he and his co-workers discovered the
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The year 1977 also saw the publication of Chandrasekhar's book on liquid crystals by the
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in the UK and the physical studies by Wilhelm Maier in Germany (including the well-known
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which has a two-dimensional, periodic order. The paper announcing the discovery of this
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to work for his doctoral degree in physics under the guidance of his maternal uncle,
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by the French Government (1999). Chandrasekhar was largely responsible for placing
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of the founding of the RRI. Many stalwarts in the field of liquid crystals like
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His subsequent postdoctoral work in the University College and the
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conducting properties, which is exploited in device applications.
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Soap, Science, and Flat-Screen TVs: A History of Liquid Crystals
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David Dunmur; David A. Dunmur; Tim Sluckin (4 November 2010).
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Recipients of the Padma Bhushan in science & engineering
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mainly for his work on the corrections for extinction in
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Shanti Swarup Bhatnagar Prize for Science and Technology
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at Mysore. It was here that he turned his attention to
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Biographical Memoirs of Fellows of the Royal Society
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of UNESCO (1998), and the Freedericksz Medal of the
23:, Indian-American astrophysicist and Nobel laureate. 511: 782:Obituary: Professor Sivaramakrishna Chandrasekhar 471:(1988), the Royal Medal of Royal Society (1994), 469:Indian Association for the Cultivation of Science 2553: 661: 451:Chandrasekhar was the founder president of the 760:. Oxford University Press. pp. 259, 260. 579:. Chennai, India. 9 March 2004. Archived from 455:for 1990–92, and was an editor of the journal 38:, and the person should be referred to by the 2242: 1479: 809: 369:, rather than the well-studied rods. Through 215:in 1994. He was the founder-president of the 381:was published in the Indian physics journal 284:and obtained a second doctorate degree from 725: 222:Chandrasekhar was born on 6 August 1930 at 2587:Academic staff of the University of Mysore 2249: 2235: 1486: 1472: 816: 802: 615:"S Pancharatnam (1934–1969): Three phases" 459:for 20 years. He was the recipient of the 396: 64: 479:(2000). He was also the recipient of the 487:(1998) and the honour of Knight of the 365:of liquid crystals made of disc-shaped 2554: 457:Molecular Crystals and Liquid Crystals 343:synthetic organic chemistry laboratory 2612:Alumni of the University of Cambridge 2230: 1467: 797: 264:in 1951. Subsequently, he joined the 1051:Vishnu Vaman Shirwadkar (Kusumagraj) 467:, C.V. Raman Centenary Medal of the 453:International Liquid Crystal Society 217:International Liquid Crystal Society 473:Niels Bohr International Gold Medal 19:Not to be confused with his cousin 13: 550:"Royal Medal Winners: 2007 - 1990" 14: 2623: 775: 256:. He received his MSc degree in 465:Indian National Science Academy 446:Third World Academy of Sciences 2577:20th-century Indian physicists 1056:Kuthur Ramakrishnan Srinivasan 707: 655: 595: 571:"Prof. S. Chandrashekhar dead" 563: 542: 505: 477:Russian Liquid Crystal Society 1: 2295:Sivaramakrishna Chandrasekhar 1258:Sivaramakrishna Chandrasekhar 667:C.V. Raman : A Biography 498: 202:Sivaramakrishna Chandrasekhar 55:Sivaramakrishna Chandrasekhar 2582:Fellows of the Royal Society 850:Purushottam Laxman Deshpande 827:award recipients (1990–1999) 16:Indian physicist (1930-2004) 7: 318: 282:1851 Exhibition Scholarship 10: 2628: 2327:William Alexander Gambling 1182:Dalsukh Dahyabhai Malvania 1167:Ramachandra Datatraya Lele 1152:Krishnaswamy Kasturirangan 481:Karnataka Rajyotsava award 438:Indian Academy of Sciences 403:Cambridge University Press 356: 351:Bharat Electronics Limited 25: 21:Subrahmanyan Chandrasekhar 18: 2508: 2487: 2272: 2183: 2058: 1945: 1826: 1701: 1600: 1523: 1506: 1412: 1341: 1263:Debiprasad Chattopadhyaya 1245: 1127:Vavilala Gopalakrishnayya 1079: 948: 832: 633:10.1007/S12045-013-0046-Y 183: 154: 113: 97: 72: 63: 53: 2126:Mandar Madhukar Deshmukh 2102:Vijay Balakrishna Shenoy 1858:Vikram Kumar (physicist) 266:Raman Research Institute 2607:Scientists from Kolkata 2114:Sadiqali Abbas Rangwala 2013:Sanjay Puri (physicist) 1971:Avinash Anant Deshpande 1668:Ramanuja Vijayaraghavan 1414:# Posthumous conferral 1087:Bijoy Chandra Bhagavati 605:; Kausalya Ramaseshan; 489:Order of Academic Palms 419:Pierre-Gilles de Gennes 413:, George William Gray, 397:Publications and honors 371:supramolecular assembly 2317:Malcolm Ferguson-Smith 2132:S. Anantha Ramakrishna 1989:Biswarup Mukhopadhyaya 1763:Ranganathan Shashidhar 1399:Shivmangal Singh Suman 1364:Sohrab Pirojsha Godrej 1333:Panangipalli Venugopal 1308:Vaidyeswaran Rajaraman 1273:Gurbaksh Singh Dhillon 1227:Brihaspati Dev Triguna 1071:Jiwan Singh Umranangal 991:Narayan Singh Manaklao 890:Hirendranath Mukherjee 528:10.1098/rsbm.2007.0015 373:, the discs exhibit a 347:liquid crystal display 2541:Frank Westheimer 1318:Vempati Chinna Satyam 1298:Rajendra Singh Paroda 1202:Setumadhavarao Pagadi 880:Bimal Krishna Matilal 845:Bimal Kumar Bachhawat 611:George William Series 260:with first rank from 2602:Chandrasekhar family 2523:G. Evelyn Hutchinson 2517:Anatole Abragam 2414:Michael J. D. Powell 2300:Pierre Deslongchamps 2138:Sudhir Kumar Vempati 2031:Raghunathan Srianand 1936:E. V. Sampathkumaran 1733:Girish Saran Agarwal 1727:Ramanujan Srinivasan 1232:K. 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John Ellis 2310: 2308: 2307: 2303: 2301: 2298: 2296: 2293: 2291: 2288: 2286: 2283: 2281: 2280:Martin Aitken 2278: 2277: 2275: 2271: 2267: 2263: 2262:Royal Society 2259: 2252: 2247: 2245: 2240: 2238: 2233: 2232: 2229: 2216: 2213: 2210: 2207: 2204: 2201: 2198: 2195: 2192: 2191:Surajit Dhara 2189: 2188: 2186: 2182: 2175: 2174:Shankar Ghosh 2172: 2169: 2166: 2163: 2160: 2157: 2154: 2151: 2148: 2145: 2142: 2139: 2136: 2133: 2130: 2127: 2124: 2121: 2118: 2115: 2112: 2109: 2106: 2103: 2100: 2097: 2094: 2091: 2088: 2085: 2084:Arindam Ghosh 2082: 2079: 2076: 2073: 2070: 2067: 2064: 2063: 2061: 2057: 2050: 2049:Abhishek Dhar 2047: 2044: 2041: 2038: 2035: 2032: 2029: 2026: 2023: 2020: 2017: 2014: 2011: 2008: 2005: 2002: 1999: 1996: 1993: 1990: 1987: 1984: 1981: 1978: 1975: 1972: 1969: 1966: 1963: 1960: 1957: 1954: 1951: 1950: 1948: 1944: 1937: 1934: 1931: 1928: 1925: 1922: 1919: 1916: 1913: 1910: 1907: 1904: 1901: 1898: 1895: 1892: 1889: 1886: 1883: 1880: 1877: 1874: 1871: 1870:Gopal Krishna 1868: 1865: 1862: 1859: 1856: 1853: 1852:Deepak Mathur 1850: 1847: 1844: 1841: 1838: 1835: 1832: 1831: 1829: 1825: 1818: 1815: 1812: 1811:M. Lakshmanan 1809: 1806: 1803: 1800: 1797: 1794: 1791: 1788: 1785: 1782: 1779: 1776: 1773: 1770: 1767: 1764: 1761: 1758: 1755: 1752: 1749: 1746: 1743: 1740: 1737: 1734: 1731: 1728: 1725: 1722: 1719: 1716: 1713: 1710: 1707: 1706: 1704: 1700: 1693: 1690: 1687: 1684: 1681: 1678: 1675: 1672: 1669: 1666: 1663: 1660: 1657: 1654: 1651: 1648: 1645: 1642: 1639: 1636: 1633: 1630: 1627: 1624: 1621: 1618: 1615: 1614:P. K. Iyengar 1612: 1609: 1606: 1605: 1603: 1599: 1592: 1589: 1586: 1583: 1580: 1577: 1574: 1573:S. Ramaseshan 1571: 1568: 1565: 1562: 1559: 1556: 1553: 1550: 1547: 1544: 1541: 1538: 1535: 1532: 1529: 1528: 1526: 1522: 1515: 1512: 1511: 1509: 1505: 1501: 1497: 1489: 1484: 1482: 1477: 1475: 1470: 1469: 1466: 1454: 1451: 1449: 1446: 1444: 1441: 1439: 1436: 1434: 1431: 1429: 1426: 1424: 1421: 1419: 1416: 1415: 1411: 1405: 1402: 1400: 1397: 1395: 1394:H. D. Shourie 1392: 1390: 1387: 1385: 1382: 1380: 1377: 1375: 1374:Anil Kakodkar 1372: 1370: 1369:George Joseph 1367: 1365: 1362: 1360: 1357: 1355: 1354:Jacob Cherian 1352: 1350: 1347: 1346: 1344: 1340: 1334: 1331: 1329: 1326: 1324: 1321: 1319: 1316: 1314: 1313:Bhisham Sahni 1311: 1309: 1306: 1304: 1301: 1299: 1296: 1294: 1291: 1289: 1286: 1284: 1283:Hemlata Gupta 1281: 1279: 1276: 1274: 1271: 1269: 1268:Satyapal Dang 1266: 1264: 1261: 1259: 1256: 1254: 1251: 1250: 1248: 1244: 1238: 1235: 1233: 1230: 1228: 1225: 1223: 1220: 1218: 1215: 1213: 1210: 1208: 1205: 1203: 1200: 1198: 1195: 1193: 1190: 1188: 1185: 1183: 1180: 1178: 1175: 1173: 1172:Talat Mahmood 1170: 1168: 1165: 1163: 1160: 1158: 1155: 1153: 1150: 1148: 1147:Girish Karnad 1145: 1143: 1140: 1138: 1135: 1133: 1130: 1128: 1125: 1123: 1120: 1118: 1115: 1113: 1110: 1108: 1105: 1103: 1100: 1098: 1095: 1093: 1090: 1088: 1085: 1084: 1082: 1078: 1072: 1069: 1067: 1064: 1062: 1059: 1057: 1054: 1052: 1049: 1047: 1046:Amala Shankar 1044: 1042: 1039: 1037: 1034: 1032: 1029: 1027: 1024: 1022: 1019: 1017: 1014: 1012: 1009: 1007: 1004: 1002: 999: 997: 994: 992: 989: 987: 984: 982: 979: 977: 976:D. B. Deodhar 974: 972: 971:Shyam Benegal 969: 967: 964: 962: 961:Lala Amarnath 959: 957: 954: 953: 951: 947: 941: 938: 936: 933: 931: 928: 926: 923: 921: 918: 916: 913: 911: 908: 906: 903: 901: 898: 896: 893: 891: 888: 886: 883: 881: 878: 876: 873: 871: 868: 866: 863: 861: 858: 856: 853: 851: 848: 846: 843: 841: 838: 837: 835: 831: 826: 825:Padma Bhushan 819: 814: 812: 807: 805: 800: 799: 796: 790:, 11 May 2004 789: 788: 783: 780: 779: 769: 763: 759: 754: 753: 734: 728: 720: 716: 710: 702: 698: 694: 690: 686: 682: 678: 672: 668: 664: 658: 650: 646: 642: 638: 634: 630: 626: 622: 621: 616: 612: 608: 604: 598: 583:on 8 May 2004 582: 578: 577: 572: 566: 551: 545: 537: 533: 529: 525: 521: 517: 516: 508: 504: 496: 494: 490: 486: 485:Padma Bhushan 482: 478: 474: 470: 466: 462: 458: 454: 449: 447: 443: 439: 435: 429: 427: 424: 420: 416: 412: 411:Glen H. Brown 408: 404: 394: 390: 388: 384: 380: 376: 372: 368: 364: 354: 352: 348: 344: 339: 335: 330: 326: 316: 314: 310: 306: 301: 299: 295: 291: 287: 283: 279: 275: 271: 267: 263: 259: 253: 246: 242: 236: 229: 225: 220: 218: 214: 210: 206: 203: 194: 193:Eringen Medal 189: 186: 182: 175: 174:S. Ramaseshan 172: 169: 166: 163: 160: 159: 157: 153: 144: 137: 134: 129: 122: 119: 118: 116: 112: 100: 96: 92: 91:British India 88: 83:6 August 1930 75: 71: 67: 62: 52: 49: 45: 44:Chandrasekhar 41: 37: 33: 29: 22: 2597:TWAS fellows 2366: 2347:Ray Guillery 2304: 2294: 2168:Aninda Sinha 1965:Rahul Pandit 1876:Rajiah Simon 1864:S. R. Shenoy 1799:Deepak Kumar 1745:S. S. Kapoor 1650:K. L. Chopra 1619: 1579:Devendra Lal 1549:Raja Ramanna 1288:K. M. Mathew 1257: 1031:Samta Prasad 966:N. S. Bendre 925:Arun Shourie 860:Nikhil Ghosh 787:Times Online 785: 757: 740:. Retrieved 727: 718: 709: 666: 657: 624: 618: 597: 585:. Retrieved 581:the original 574: 565: 553:. Retrieved 544: 519: 513: 507: 476: 456: 450: 430: 415:Alfred Saupe 400: 391: 360: 322: 302: 221: 201: 200: 103:(2004-03-08) 101:8 March 2004 48: 43: 31: 2567:2004 deaths 2562:1930 births 2454:Nigel Unwin 2439:Ian Sneddon 2379:John Lawson 2357:Peter Higgs 2342:George Gray 2337:Ian Gibbons 2322:Alan Fersht 2209:Anindya Das 2150:Vinay Gupta 1959:Varun Sahni 1930:Sunil Mukhi 1846:Deepak Dhar 1834:G. Baskaran 1686:Ajoy Ghatak 1644:M. S. Sodha 1638:K. P. Sinha 1626:S. K. Joshi 1608:Vainu Bappu 1585:A. P. Mitra 1555:A. R. Verma 1384:Ashok Kumar 1132:Anna Hazare 1001:Ram Narayan 986:Dilip Kumar 920:Sukumar Sen 865:B. K. Goyal 387:anisotropic 338:Maier–Saupe 274:C. V. Raman 248: [ 239:(sister of 231: [ 213:Royal Medal 188:Royal Medal 139: [ 124: [ 30:, the name 28:Indian name 2556:Categories 2488:Statute 12 2424:Ivan Roitt 2203:Kanak Saha 2096:Amol Dighe 1888:Ashoke Sen 1840:A. K. Sood 1793:Probir Roy 1709:N. Mukunda 1237:C. R. Vyas 701:Q125503928 649:Q125516639 555:6 December 499:References 241:C.V. Raman 162:C.V. Raman 79:1930-08-06 40:given name 36:patronymic 2404:Ted Paige 1995:Madan Rao 1918:S. R. Das 1781:P. K. Kaw 1721:S. M. Roy 1692:S. S. Jha 1656:B. R. Nag 1453:2020–2029 1448:2010–2019 1443:2000–2009 1438:1990–1999 1433:1980–1989 1428:1970–1979 1423:1960–1969 1418:1954–1959 1278:H. K. Dua 1011:Kapil Dev 693:27632780M 685:772714846 641:0971-8044 620:Resonance 576:The Hindu 434:Bangalore 428:in 1996. 375:mesophase 367:molecules 270:Bangalore 228:Sitalaxmi 176:(brother) 170:(brother) 155:Relatives 136:Sitalaxmi 2459:Ian Ward 2264:elected 2156:Aditi De 1775:K. Singh 1142:Jaggayya 697:Wikidata 665:(2011). 645:Wikidata 536:72944918 483:(1986), 319:Research 298:crystals 190:(1994) 147:(mother) 132:(father) 87:Calcutta 58:FNA, FRS 26:In this 2509:Foreign 2273:Fellows 2266:in 1983 2260:of the 2258:Fellows 1197:Naushad 742:21 July 587:22 July 522:: 127. 432:BEL in 383:Pramana 357:Columns 329:Germany 290:neutron 268:(RRI), 258:physics 224:Kolkata 164:(uncle) 114:Parents 2539:  2533:  2527:  2521:  2515:  2217:(2022) 2211:(2022) 2205:(2021) 2199:(2020) 2193:(2020) 2176:(2019) 2170:(2019) 2164:(2018) 2158:(2018) 2152:(2017) 2146:(2017) 2140:(2016) 2134:(2016) 2128:(2015) 2122:(2015) 2116:(2014) 2110:(2014) 2104:(2013) 2098:(2013) 2092:(2012) 2086:(2012) 2080:(2011) 2074:(2010) 2068:(2010) 2051:(2009) 2045:(2009) 2039:(2008) 2033:(2008) 2027:(2007) 2021:(2007) 2015:(2006) 2009:(2006) 2003:(2005) 1997:(2004) 1991:(2003) 1985:(2003) 1979:(2002) 1973:(2002) 1967:(2001) 1961:(2000) 1955:(2000) 1938:(1999) 1932:(1999) 1926:(1998) 1920:(1998) 1914:(1997) 1908:(1997) 1902:(1996) 1896:(1995) 1890:(1994) 1884:(1994) 1878:(1993) 1872:(1993) 1866:(1992) 1860:(1992) 1854:(1991) 1848:(1991) 1842:(1990) 1836:(1990) 1819:(1989) 1813:(1989) 1807:(1988) 1801:(1988) 1795:(1987) 1789:(1987) 1783:(1986) 1777:(1985) 1771:(1985) 1765:(1984) 1759:(1984) 1753:(1983) 1747:(1982) 1741:(1982) 1735:(1982) 1729:(1981) 1723:(1981) 1717:(1980) 1711:(1980) 1694:(1979) 1688:(1979) 1682:(1978) 1676:(1978) 1670:(1976) 1664:(1976) 1658:(1975) 1652:(1975) 1646:(1974) 1640:(1974) 1634:(1973) 1628:(1972) 1622:(1972) 1616:(1971) 1610:(1970) 1593:(1969) 1587:(1968) 1581:(1967) 1575:(1966) 1569:(1966) 1563:(1965) 1557:(1964) 1551:(1963) 1545:(1962) 1539:(1961) 1533:(1960) 1516:(1958) 915:N. Ram 870:Jasraj 764:  715:"Home" 699:  691:  683:  673:  647:  639:  534:  280:on an 243:) and 195:(1996) 184:Awards 2184:2020s 2059:2010s 1946:2000s 1827:1990s 1702:1980s 1601:1970s 1524:1960s 1507:1950s 736:(PDF) 532:S2CID 493:India 426:Medal 296:from 254:] 237:] 226:, to 145:] 130:] 34:is a 1342:1999 1246:1998 1080:1992 949:1991 833:1990 762:ISBN 744:2015 681:OCLC 671:ISBN 637:ISSN 589:2009 557:2008 417:and 292:and 98:Died 73:Born 1498:in 629:doi 524:doi 209:FRS 205:FNA 2558:: 717:. 695:. 689:OL 687:. 679:. 643:. 635:. 625:18 623:. 617:. 609:; 573:. 530:. 520:53 518:. 327:, 300:. 219:. 207:, 89:, 42:, 2250:e 2243:t 2236:v 1487:e 1480:t 1473:v 817:e 810:t 803:v 770:. 746:. 721:. 703:. 651:. 631:: 591:. 559:. 538:. 526:: 251:d 234:d 142:d 127:d 81:) 77:( 46:.

Index

Subrahmanyan Chandrasekhar
Indian name
patronymic
given name

Calcutta
British India
Sivaramakrishnan
d
Sitalaxmi
d
C.V. Raman
S. Pancharatnam
S. Ramaseshan
Royal Medal
Eringen Medal
FNA
FRS
Royal Medal
International Liquid Crystal Society
Kolkata
Sitalaxmi
d
C.V. Raman
Sivaramakrishnan
d
physics
Nagpur University
Raman Research Institute
Bangalore

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