1409:
293:
313:
1460:
The
Historical Development of Quantum Theory. Vol. 1, Part 1: The Quantum Theory of Planck, Einstein, Bohr and Sommerfeld 1900–1925: its Foundation and the Rise of Its Difficulties
267:
1349:
1405:"A Determination of the Deflection of Light by the Sun's Gravitational Field, from Observations Made at the Solar eclipse of May 29, 1919"
272:
409:
1567:
1376:
728:
1173:
626:
562:
1550:
1467:
922:
869:
645:, indicating the maximum power that can be extracted from the wind, independent of the design of a wind turbine in open flow.
566:
683:
665:
368:
361:
1684:
516:
462:
1233:
1038:
635:
discovers that the dynamical constants of motion determine the distribution function for a system of particles.
402:
334:
596:
732:
814:
701:
1689:
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1144:
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863:
161:
51:
30:
1410:
Philosophical
Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
1166:
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302:
184:
1497:
8:
1027:
1005:
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693:
251:
179:
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1312:
749:
makes the first transatlantic flight by dirigible, and the first westbound flight, from
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956:
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592:
608:
1601:
1295:
Hale, George E.; Ellerman, Ferdinand; Nicholson, S. B.; Joy, A. H. (April 1919).
1270:
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1207:
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660:
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236:
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84:
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59:
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1203:
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622:
1673:
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1266:
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1103:
1095:
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746:
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211:
194:
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782:
716:
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1181:
1012:
849:
686:
642:
632:
451:
174:
1389:
446:
and collaborators publish their discovery that the magnetic polarity of
1137:
1068:
1031:
975:
790:
544:
530:
430:
1437:
Paper received
October 30, read November 6, published April 27, 1920.
1274:
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800:
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1371:
1615:
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1321:
1296:
754:
600:
454:
and that the polarity varies by hemisphere, which becomes known as
1654:
Perevozchikova, O. L. (2009). "Ekaterina
Logvinovna Yushchenko".
1196:
1118:
786:
775:
743:
736:
494:
447:
425:
1169:(born 1848), African American physician, educator and activist.
937:
771:
709:
705:
612:
1568:"Hans Hass, 94, early explorer of the world beneath the sea"
1060:
689:
498:
595:'s observation of the "bending of light" during the total
1403:
Dyson, F. W.; Eddington, A. S.; Davidson, C. R. (1920).
1294:
1447:
Verhandlungen der
Deutschen Physikalischen Gesellschaft
1498:
Famous GLBT & GLBTI People – Dr. Magnus
Hirschfeld
1372:"The Arrangement of Electrons in Atoms and Molecules"
1542:Panati's Extraordinary Origins of Everyday Things
1671:
1335:
433:involved some significant events, listed below.
1450:
1653:
1538:
679:First crossings of the Atlantic Ocean by air.
1045:), Ukrainian computer scientist and academic.
799:files his first United States patent for the
403:
1336:Charbonneau, P.; White, O. R. (1995-04-18).
831:A United States patent for the self-folding
410:
396:
1614:
1430:
1320:
18:Overview of the events of 1919 in science
1377:Journal of the American Chemical Society
1369:
1565:
1195:), German Nobel Prize-winning chemist (
1174:John William Strutt, 3rd Baron Rayleigh
1672:
1485:The first Institute for Sexual Science
970:, born Eleanor Margaret Peachey (died
505:
1594:
1297:"The Magnetic Polarity of Sun-Spots"
910:), Austrian-American neuroscientist.
13:
14:
1701:
1539:Charles Panati (15 August 2016).
641:is published by German physicist
369:List of open letters by academics
362:Timeline of cosmological theories
1656:Cybernetics and Systems Analysis
1514:. Oxford University Press, 1995.
820:United States firearms designer
809:United States firearms designer
517:History of the Theory of Numbers
463:International Astronomical Union
1647:
1588:
1559:
1532:
1352:from the original on 2021-08-19
1234:Augustus George Vernon Harcourt
1162:(born 1848), American inventor.
666:Institut für Sexualwissenschaft
1566:Vitello, Paul (July 7, 2013).
1518:
1503:
1491:
1476:
1440:
1396:
1363:
1329:
1288:
774:for the electric pop-up bread
682:May 8–27 – United States Navy
524:
1:
1338:"Hale's Sunspot Polarity Law"
1281:
1236:(born 1834), English chemist.
1023:-born philosopher of science.
673:
649:
450:pairs reverses on an 11-year
376:History of technology by type
294:Governance and policy studies
1526:In Memory of Arthur Kronfeld
925:-winning transplant surgeon.
899:zoologist and oceanographer.
824:finalizes the design of the
813:finalizes the design of the
729:nonstop transatlantic flight
469:
436:
322:Extraterrestrial environment
7:
1545:. Book Sales. p. 118.
551:
268:Sustainable energy research
10:
1706:
837:Phillips-Jones Corporation
815:M1919 Browning machine gun
702:Naval Air Station Rockaway
577:
561:is appointed as the first
493:discovers multiple stable
1595:Dove, Alan (April 2005).
1483:hirschfeld.in-berlin.de,
1462:. Springer. p. 330.
1370:Langmuir, Irving (1919).
1346:High Altitude Observatory
1301:The Astrophysical Journal
1145:Bernhard Sigmund Schultze
1049:
974:), English-born American
881:
843:
785:begins broadcasting from
708:via Newfoundland and the
383:List of science timelines
273:Transportation technology
733:St. John's, Newfoundland
599:on this day observed in
465:is established in Paris.
31:List of years in science
1685:20th century in science
1167:Caroline Still Anderson
1088:Frederick DuCane Godman
1081:revolutionary socialist
826:Thompson submachine gun
615:(confirmed November 6).
327:Terrestrial environment
1432:10.1098/rsta.1920.0009
1160:LaMarcus Adna Thompson
770:files a United States
514:begins publication of
512:Leonard Eugene Dickson
1030:(died 2013), Russian
563:Chief Medical Officer
314:Dinosaurs' extinction
1417:(571–581): 291–333.
725:Arthur Whitten Brown
698:transatlantic flight
1423:1920RSPTA.220..291D
1390:10.1021/ja02227a002
1313:1919ApJ....49..153H
1262:), Russian chemist.
1184:-winning physicist.
1039:Kateryna Yushchenko
1028:Mikhail Kalashnikov
1006:biomedical engineer
942:social psychologist
835:is obtained by the
742:July 2–6 – British
694:Albert Cushing Read
1597:"Maurice Hilleman"
1573:The New York Times
1510:Grossmann, Atina.
1456:Rechenberg, Helmut
1265:December 29 – Sir
589:general relativity
567:Ministry of Health
506:History of science
475:June 1 – The term
444:George Ellery Hale
1552:978-0-7858-3437-3
1500:stonewallsociety.
1469:978-0-387-95174-4
1342:www2.hao.ucar.edu
1273:), Canadian-born
1077:anti-war activist
998:Wilson Greatbatch
968:Margaret Burbidge
781:October 17 – Dr.
759:Mineola, New York
657:Magnus Hirschfeld
619:Arnold Sommerfeld
571:England and Wales
483:is first used by
420:
419:
218:
217:
43:
42:
1697:
1690:1910s in science
1664:
1663:
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1618:
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1358:
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1333:
1327:
1326:
1324:
1292:
1256:Julia Lermontova
1249:project engineer
1065:Marxist theorist
983:Maurice Hilleman
957:environmentalist
822:John T. Thompson
793:(United States).
751:RAF East Fortune
727:makes the first
696:makes the first
627:displacement law
605:Andrew Crommelin
593:Arthur Eddington
481:chemical bonding
412:
405:
398:
335:Tornado research
220:
219:
25:
24:
21:
20:
1705:
1704:
1700:
1699:
1698:
1696:
1695:
1694:
1680:1919 in science
1670:
1669:
1668:
1667:
1652:
1648:
1602:Nature Medicine
1593:
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1293:
1289:
1284:
1111:William Crookes
1052:
1011:September 21 –
904:Karl H. Pribram
884:
846:
715:June 14–15 – A
676:
661:Arthur Kronfeld
652:
580:
554:
542:
527:
508:
485:Irving Langmuir
479:in relation to
472:
439:
416:
281:Social sciences
239:
234:
224:1919 in science
209:
166:
125:
87:
19:
12:
11:
5:
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1616:10.1038/nm1223
1587:
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1531:
1517:
1502:
1490:
1475:
1468:
1452:Mehra, Jagdish
1439:
1395:
1384:(6): 868–934.
1362:
1328:
1322:10.1086/142452
1286:
1285:
1283:
1280:
1279:
1278:
1263:
1254:December 16 –
1252:
1239:November 23 –
1237:
1230:
1215:
1204:Gustaf Retzius
1200:
1185:
1170:
1163:
1156:
1141:
1126:
1109:April 4 – Sir
1107:
1086:February 19 –
1084:
1057:Rosa Luxemburg
1051:
1048:
1047:
1046:
1035:
1026:November 10 –
1024:
1009:
996:September 6 –
994:
979:
964:
949:James Lovelock
945:
926:
911:
902:February 25 –
900:
883:
880:
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861:
859:Johannes Stark
845:
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768:Charles Strite
764:
763:
762:
740:
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675:
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671:
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651:
648:
647:
646:
636:
630:
625:publish their
623:Walther Kossel
616:
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535:Brun's theorem
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1576:. p. A18
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1512:Reforming Sex
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1267:William Osler
1264:
1261:
1257:
1253:
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1246:
1242:
1238:
1235:
1231:
1228:
1224:
1220:
1219:Ernst Haeckel
1216:
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1131:
1130:Loránd Eötvös
1127:
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1120:
1116:
1112:
1108:
1105:
1104:ornithologist
1101:
1097:
1096:lepidopterist
1093:
1089:
1085:
1082:
1078:
1074:
1070:
1066:
1062:
1058:
1055:January 15 –
1054:
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1044:
1040:
1037:December 8 –
1036:
1033:
1029:
1025:
1022:
1018:
1014:
1010:
1007:
1003:
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991:vaccinologist
988:
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916:
915:Joseph Murray
912:
909:
905:
901:
898:
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890:
887:January 23 –
886:
885:
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868:
866:– not awarded
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827:
823:
819:
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811:John Browning
808:
805:
804:sound-on-film
802:
798:
797:Lee De Forest
795:
792:
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718:
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703:
699:
695:
692:commanded by
691:
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678:
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667:
662:
658:
655:In Berlin Dr
654:
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644:
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634:
631:
628:
624:
620:
617:
614:
610:
609:Sobral, Ceará
606:
602:
598:
597:solar eclipse
594:
591:is tested by
590:
586:
582:
581:
572:
568:
564:
560:
559:George Newman
556:
555:
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343:Other/related
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32:
29:
27:
26:
23:
22:
16:
1659:
1655:
1649:
1606:
1600:
1590:
1578:. Retrieved
1571:
1561:
1541:
1534:
1525:
1520:
1511:
1505:
1493:
1484:
1478:
1459:
1446:
1442:
1414:
1408:
1398:
1381:
1375:
1365:
1354:. Retrieved
1341:
1331:
1304:
1300:
1290:
1247:), American
1232:August 23 –
1189:Emil Fischer
1165:c. June 1 –
1153:obstetrician
1100:entomologist
1004:), American
989:), American
981:August 30 –
966:August 12 –
961:futurologist
930:Henri Tajfel
921:), American
874:Jules Bordet
833:shirt collar
783:Frank Conrad
717:Vickers Vimy
664:
537:
515:
476:
423:
421:
381:
374:
367:
360:
304:Paleontology
303:
223:
210:
204:
185:Architecture
106:
105:
15:
1241:Henry Gantt
1217:August 8 –
1210:), Swedish
1182:Nobel Prize
1180:), English
1143:April 17 –
1117:), English
1094:), English
1069:philosopher
1013:Mario Bunge
955:), English
923:Nobel Prize
850:Nobel Prize
721:John Alcock
687:flying boat
643:Albert Betz
633:James Jeans
545:twin primes
525:Mathematics
491:F. W. Aston
452:solar cycle
252:Archaeology
180:Archaeology
1674:Categories
1356:2021-08-20
1282:References
1225:), German
1202:July 21 –
1187:July 15 –
1172:June 30 –
1151:), German
1140:physicist.
1128:April 8 –
1063:), Polish
1032:small arms
976:astronomer
947:July 26 –
928:June 22 –
913:April 1 –
791:Pittsburgh
739:, Ireland.
674:Technology
663:found the
650:Psychology
639:Betz's law
587:theory of
585:Einstein's
531:Viggo Brun
456:Hale's law
431:technology
356:Philosophy
351:Literature
289:Psychology
260:Technology
200:Philosophy
190:Literature
1662:(6): 843.
1625:1546-170X
1609:(4): S2.
1275:physician
1227:zoologist
1212:anatomist
1138:Hungarian
1123:physicist
1073:economist
1034:designer.
1021:Argentine
889:Hans Hass
864:Chemistry
801:Phonofilm
766:May 29 –
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470:Chemistry
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710:Azores
706:Lisbon
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1629:PMID
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934:1982
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