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Haraden Pratt

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in 1944 "in recognition of his engineering contributions to the development of radio, of his work in the extension of communication facilities to distant lands, and of his constructive leadership in Institute affairs," and the Founder's Award in 1960. The IEEE Haraden Pratt Award was established in
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atomic bomb tests. He remained with ITT until 1951 when he served from 1951 to 1953 as telecommunications advisor to Presidents Truman and Eisenhower. Pratt was vice president of the
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and was Chairman of the Radio Technical Planning Board 1945–1949, and in 1946 was an official observer of the
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Haraden Pratt and Harry Diamond, "Receiving Sets For Aircraft Beacon and Telephony,"
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when young and worked briefly as a shipboard wireless operator before entering the
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J. H. Dellinger and Haraden Pratt, "Development of Radio Aids to Air Navigation,"
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and helped to install and operate its 300-kilowatt trans-Pacific radio station at
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1971 in his honor. His papers are archived at the Bancroft Library,
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From 1920 to 1926 Pratt worked for the Federal Telegraph Company in
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passed the Air Commerce Act to fund radio aids to air navigation,
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American electrical engineer and radio pioneer (1891–1969)
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to create a suitable radio beacon system in 1927–1928.
1717: 1568: 1418: 1238: 1077: 912: 757: 704: 638: 606: 560: 414: 168: 141: 131: 119: 98: 91: 234:, leading its radio laboratory and engineering at 215:(Class of 1914). After graduation, he joined the 187:(July 18, 1891 – August 1, 1969) was an American 230:From 1915 to 1920 Pratt was a radio aide to the 46:but its sources remain unclear because it lacks 339:Proceedings of the Institute of Radio Engineers 328:Haraden Pratt, Recipient, Medal of Honor, I944 1393: 682: 392: 282:Office of Scientific Research and Development 278:International Telephone and Telegraph Company 8: 272:In 1928 Pratt became chief engineer of the 1400: 1386: 1378: 689: 675: 667: 399: 385: 377: 88: 77:Learn how and when to remove this message 507:Kellogg Switchboard & Supply Company 223:, and its companion receiver station in 532:Standard Telecommunication Laboratories 348:vol. 1, no. 4 (October 1928): page 549. 346:Bureau of Standards Journal of Research 7: 1342:Kornelis (Kees) A. Schouhamer Immink 432:Bell Telephone Manufacturing Company 427:American Cable and Radio Corporation 290:American Cable and Radio Corporation 472:Exelis Visual Information Solutions 622:ITT: The Management of Opportunity 306:University of California, Berkeley 274:Mackay Radio and Telegraph Company 14: 368:Guide to the Haraden Pratt Papers 457:Commercial Pacific Cable Company 341:, 16 (July 1928): pages 900–902. 23: 1909:20th-century American inventors 1904:20th-century American engineers 359:Works by or about Haraden Pratt 333:Haraden Pratt Papers, 1908-1969 276:, subsequently acquired by the 1899:IEEE Medal of Honor recipients 537:Standard Telephones and Cables 1: 1889:American electrical engineers 318:IEEE History Center biography 297:Institute of Radio Engineers 263:National Bureau of Standards 527:Sheraton Hotels and Resorts 1925: 477:Federal Telegraph Company 205:San Francisco, California 178: 161: 113:San Francisco, California 1456:Walter Ransom Gail Baker 926:Walter Ransom Gail Baker 452:Commercial Cable Company 323:IEEE Haraden Pratt Award 217:American Marconi Company 213:University of California 32:This article includes a 1605:Shigeru Yonezawa (1982) 1575:Edward W. Herold (1976) 1527:Morris D. Hooven (1970) 1432:Alfred Norton Goldsmith 938:William Littell Everitt 502:ITT Technical Institute 61:more precise citations. 1731:Thomas Eugene Everhart 1504:Elmer William Engstrom 986:Edward Victor Appleton 825:George Ashley Campbell 578:William Henry Harrison 255:United States Congress 173:Electrical engineering 1845:John Brooks Slaughter 1821:N. R. Narayana Murthy 1754:Toshiharu Aoki (2006) 1614:Koji Kobayashi (1984) 1348:Bradford W. Parkinson 1014:Claude Elwood Shannon 996:John Hays Hammond Jr. 956:Julius Adams Stratton 819:Balthasar van der Pol 801:Arthur Edwin Kennelly 730:Reginald A. Fessenden 251:Palo Alto, California 236:Mare Island Navy Yard 1805:James Plummer (2015) 1336:G. David Forney, Jr. 1127:Nicolaas Bloembergen 1068:John Robinson Pierce 992:George C. Southworth 891:Lawrence C. F. Horle 807:John Ambrose Fleming 765:Greenleaf W. Pickard 372:The Bancroft Library 225:Marshall, California 1743:Mildred Dresselhaus 1684:Norman R. Augustine 1624:George H. Heilmeier 1516:Patrick E. Haggerty 1330:Mildred Dresselhaus 1211:George H. Heilmeier 855:Alfred N. Goldsmith 789:Peder Oluf Pedersen 698:IEEE Medal of Honor 615:The Sovereign State 588:John William Mackay 462:Creed & Company 292:from 1953 to 1958. 259:J. Howard Dellinger 221:Bolinas, California 189:electrical engineer 153:IEEE Founders Medal 146:IEEE Medal of Honor 1553:Lawrence A. Hyland 1450:Raymond A. Heising 1169:Robert G. Gallager 968:Emory Leon Chaffee 932:John Milton Miller 879:Harold H. Beverage 813:Stanford C. Hooper 718:Ernst Alexanderson 712:Edwin H. Armstrong 301:IRE Medal of Honor 232:United States Navy 203:Pratt was born in 34:list of references 1866: 1865: 1702:Benjamin M. Rosen 1678:Malcolm R. Currie 1660:Roland W. Schmitt 1492:Andrew McNaughton 1375: 1374: 1294:Robert H. Dennard 1264:Tadahiro Sekimoto 1223:Charles Concordia 1187:Karl Johan Åström 1181:Amos E. Joel, Jr. 1139:John Roy Whinnery 1115:Sidney Darlington 1020:Charles H. Townes 1002:Harold A. Wheeler 920:Vladimir Zworykin 849:Lloyd Espenschied 837:John H. Dellinger 795:Gustave A. Ferrie 724:Guglielmo Marconi 664: 663: 447:Claro Puerto Rico 415:Related companies 295:Pratt joined the 265:tapped Pratt and 182: 181: 163:Scientific career 87: 86: 79: 1916: 1857:Tsu-Jae King Liu 1782:James F. Gibbons 1725:Robert A. Frosch 1609:Joseph M. Pettit 1590:Hanzo Omi (1979) 1559:John G. Brainerd 1522:E. Finley Carter 1486:Frederick Terman 1402: 1395: 1388: 1379: 1354:Kurt E. Petersen 1324:B. Jayant Baliga 1312:John L. Hennessy 1133:Norman F. Ramsey 1109:William Shockley 1091:H. Earle Vaughan 950:John V. L. Hogan 903:Frederick Terman 861:Albert H. Taylor 831:Melville Eastham 783:George W. Pierce 777:Jonathan Zenneck 748:Michael I. Pupin 742:John Stone Stone 691: 684: 677: 668: 517:Mix & Genest 401: 394: 387: 378: 363:Internet Archive 244:Washington, D.C. 157: 150: 126: 108: 106: 89: 82: 75: 71: 68: 62: 57:this article by 48:inline citations 27: 26: 19: 1924: 1923: 1919: 1918: 1917: 1915: 1914: 1913: 1869: 1868: 1867: 1862: 1713: 1642:Ivan A. Getting 1564: 1510:Harvey Fletcher 1414: 1406: 1376: 1371: 1318:Irwin M. Jacobs 1276:James D. Meindl 1252:Herbert Kroemer 1246:Herwig Kogelnik 1234: 1217:Donald Pederson 1205:Robert Metcalfe 1103:Richard Bellman 1073: 1056:Rudolf Kompfner 1050:Jay W. Forester 980:Ernst Guillemin 944:Harald T. Friis 908: 771:Louis W. Austin 753: 700: 695: 665: 660: 634: 602: 598:Ellery W. Stone 556: 512:Kolster-Brandes 467:EDO Corporation 410: 408:ITT Corporation 405: 355: 314: 201: 155: 151: 148: 124: 115: 110: 104: 102: 94: 83: 72: 66: 63: 52: 38:related reading 28: 24: 17: 12: 11: 5: 1922: 1920: 1912: 1911: 1906: 1901: 1896: 1894:Radio pioneers 1891: 1886: 1881: 1871: 1870: 1864: 1863: 1861: 1860: 1854: 1848: 1842: 1836: 1833:Jen-Hsun Huang 1830: 1824: 1818: 1812: 1806: 1803: 1797: 1791: 1785: 1779: 1773: 1767: 1761: 1758:Anita K. Jones 1755: 1752: 1746: 1740: 1734: 1728: 1721: 1719: 1715: 1714: 1712: 1711: 1705: 1699: 1693: 1687: 1681: 1675: 1669: 1663: 1657: 1651: 1645: 1639: 1636:Ian Munro Ross 1633: 1630:James B. Owens 1627: 1621: 1618:William Norris 1615: 1612: 1606: 1603: 1597: 1591: 1588: 1585:Donald G. Fink 1582: 1579:Jerome Wiesner 1576: 1572: 1570: 1566: 1565: 1563: 1562: 1556: 1550: 1540: 1534: 1528: 1525: 1519: 1513: 1507: 1501: 1495: 1489: 1483: 1477: 1471: 1465: 1459: 1453: 1447: 1441: 1435: 1429: 1422: 1420: 1416: 1415: 1412:Founders Medal 1407: 1405: 1404: 1397: 1390: 1382: 1373: 1372: 1370: 1369: 1363: 1357: 1351: 1345: 1339: 1333: 1327: 1321: 1315: 1309: 1303: 1300:Andrew Viterbi 1297: 1291: 1285: 1282:Thomas Kailath 1279: 1273: 1270:James Flanagan 1267: 1261: 1255: 1249: 1242: 1240: 1236: 1235: 1233: 1232: 1226: 1220: 1214: 1208: 1202: 1199:Lotfi A. Zadeh 1196: 1190: 1184: 1178: 1172: 1166: 1163:C. Kumar Patel 1160: 1154: 1151:Paul Lauterbur 1148: 1142: 1136: 1130: 1124: 1118: 1112: 1106: 1100: 1094: 1088: 1081: 1079: 1075: 1074: 1072: 1071: 1065: 1059: 1053: 1047: 1041: 1035: 1032:Edward Ginzton 1029: 1026:Gordon K. Teal 1023: 1017: 1011: 1005: 999: 989: 983: 977: 971: 965: 959: 953: 947: 941: 935: 929: 923: 916: 914: 910: 909: 907: 906: 900: 894: 888: 882: 876: 870: 867:William Wilson 864: 858: 852: 846: 840: 834: 828: 822: 816: 810: 804: 798: 792: 786: 780: 774: 768: 761: 759: 755: 754: 752: 751: 745: 739: 733: 727: 721: 715: 708: 706: 702: 701: 696: 694: 693: 686: 679: 671: 662: 661: 659: 658: 653: 648: 642: 640: 636: 635: 633: 632: 625: 618: 610: 608: 604: 603: 601: 600: 595: 590: 585: 580: 575: 570: 568:Sosthenes Behn 564: 562: 558: 557: 555: 554: 549: 544: 539: 534: 529: 524: 519: 514: 509: 504: 499: 494: 489: 484: 479: 474: 469: 464: 459: 454: 449: 444: 439: 434: 429: 424: 418: 416: 412: 411: 406: 404: 403: 396: 389: 381: 375: 374: 365: 354: 353:External links 351: 350: 349: 342: 335: 330: 325: 320: 313: 310: 200: 197: 180: 179: 176: 175: 170: 166: 165: 159: 158: 143: 139: 138: 133: 129: 128: 127:(aged 78) 123:August 1, 1969 121: 117: 116: 111: 100: 96: 95: 92: 85: 84: 42:external links 31: 29: 22: 15: 13: 10: 9: 6: 4: 3: 2: 1921: 1910: 1907: 1905: 1902: 1900: 1897: 1895: 1892: 1890: 1887: 1885: 1882: 1880: 1877: 1876: 1874: 1858: 1855: 1852: 1851:Rodney Brooks 1849: 1846: 1843: 1840: 1839:Henry Samueli 1837: 1834: 1831: 1828: 1825: 1822: 1819: 1816: 1813: 1810: 1807: 1804: 1801: 1798: 1795: 1792: 1789: 1786: 1783: 1780: 1777: 1774: 1771: 1770:Craig Barrett 1768: 1765: 1764:Steven Sample 1762: 1759: 1756: 1753: 1750: 1747: 1744: 1741: 1738: 1735: 1732: 1729: 1726: 1723: 1722: 1720: 1716: 1709: 1706: 1703: 1700: 1697: 1696:Alan W. Rudge 1694: 1691: 1688: 1685: 1682: 1679: 1676: 1673: 1670: 1667: 1664: 1661: 1658: 1655: 1652: 1649: 1646: 1643: 1640: 1637: 1634: 1631: 1628: 1625: 1622: 1619: 1616: 1613: 1610: 1607: 1604: 1601: 1600:James Hillier 1598: 1595: 1592: 1589: 1586: 1583: 1580: 1577: 1574: 1573: 1571: 1567: 1560: 1557: 1554: 1551: 1548: 1547:David Packard 1544: 1541: 1538: 1535: 1532: 1529: 1526: 1523: 1520: 1517: 1514: 1511: 1508: 1505: 1502: 1499: 1496: 1493: 1490: 1487: 1484: 1481: 1478: 1475: 1472: 1469: 1468:Haraden Pratt 1466: 1463: 1460: 1457: 1454: 1451: 1448: 1445: 1442: 1439: 1436: 1433: 1430: 1427: 1426:David Sarnoff 1424: 1423: 1421: 1417: 1413: 1410: 1403: 1398: 1396: 1391: 1389: 1384: 1383: 1380: 1367: 1364: 1361: 1358: 1355: 1352: 1349: 1346: 1343: 1340: 1337: 1334: 1331: 1328: 1325: 1322: 1319: 1316: 1313: 1310: 1307: 1304: 1301: 1298: 1295: 1292: 1289: 1286: 1283: 1280: 1277: 1274: 1271: 1268: 1265: 1262: 1259: 1258:Nick Holonyak 1256: 1253: 1250: 1247: 1244: 1243: 1241: 1237: 1230: 1227: 1224: 1221: 1218: 1215: 1212: 1209: 1206: 1203: 1200: 1197: 1194: 1193:Alfred Y. Cho 1191: 1188: 1185: 1182: 1179: 1176: 1173: 1170: 1167: 1164: 1161: 1158: 1155: 1152: 1149: 1146: 1143: 1140: 1137: 1134: 1131: 1128: 1125: 1122: 1119: 1116: 1113: 1110: 1107: 1104: 1101: 1098: 1095: 1092: 1089: 1086: 1083: 1082: 1080: 1076: 1069: 1066: 1063: 1062:Rudolf Kalman 1060: 1057: 1054: 1051: 1048: 1045: 1042: 1039: 1036: 1033: 1030: 1027: 1024: 1021: 1018: 1015: 1012: 1009: 1006: 1003: 1000: 997: 993: 990: 987: 984: 981: 978: 975: 974:Harry Nyquist 972: 969: 966: 963: 960: 957: 954: 951: 948: 945: 942: 939: 936: 933: 930: 927: 924: 921: 918: 917: 915: 911: 904: 901: 898: 895: 892: 889: 886: 885:Ralph Hartley 883: 880: 877: 874: 873:Haraden Pratt 871: 868: 865: 862: 859: 856: 853: 850: 847: 844: 843:Albert G. Lee 841: 838: 835: 832: 829: 826: 823: 820: 817: 814: 811: 808: 805: 802: 799: 796: 793: 790: 787: 784: 781: 778: 775: 772: 769: 766: 763: 762: 760: 756: 749: 746: 743: 740: 737: 736:Lee De Forest 734: 731: 728: 725: 722: 719: 716: 713: 710: 709: 707: 703: 699: 692: 687: 685: 680: 678: 673: 672: 669: 657: 654: 652: 651:ITT System 12 649: 647: 644: 643: 641: 637: 631: 630: 626: 624: 623: 619: 617: 616: 612: 611: 609: 605: 599: 596: 594: 591: 589: 586: 584: 583:Harold Geneen 581: 579: 576: 574: 571: 569: 566: 565: 563: 559: 553: 550: 548: 545: 543: 540: 538: 535: 533: 530: 528: 525: 523: 520: 518: 515: 513: 510: 508: 505: 503: 500: 498: 495: 493: 490: 488: 485: 483: 480: 478: 475: 473: 470: 468: 465: 463: 460: 458: 455: 453: 450: 448: 445: 443: 440: 438: 435: 433: 430: 428: 425: 423: 420: 419: 417: 413: 409: 402: 397: 395: 390: 388: 383: 382: 379: 373: 369: 366: 364: 360: 357: 356: 352: 347: 343: 340: 336: 334: 331: 329: 326: 324: 321: 319: 316: 315: 311: 309: 307: 302: 298: 293: 291: 287: 283: 279: 275: 270: 268: 267:Harry Diamond 264: 260: 256: 252: 247: 245: 241: 237: 233: 228: 226: 222: 218: 214: 210: 206: 198: 196: 194: 190: 186: 185:Haraden Pratt 177: 174: 171: 167: 164: 160: 154: 147: 144: 140: 137: 134: 130: 122: 118: 114: 109:July 18, 1891 101: 97: 93:Haraden Pratt 90: 81: 78: 70: 60: 56: 50: 49: 43: 39: 35: 30: 21: 20: 1815:Takeo Kanade 1808: 1800:Eric Schmidt 1776:Paul E. Gray 1718:2001–present 1690:Gordon Moore 1654:Irwin Dorros 1543:Bill Hewlett 1537:Masaru Ibuka 1497: 1479: 1467: 1461: 1443: 1437: 1306:Morris Chang 1288:Gordon Moore 1239:2001–present 1229:Andrew Grove 1157:Calvin Quate 1097:Robert Noyce 1084: 1044:John Bardeen 1038:Dennis Gabor 1007: 872: 629:The ITT Wars 627: 620: 613: 593:Rand Araskog 542:The Hartford 492:Goulds Pumps 345: 338: 294: 271: 248: 229: 202: 184: 183: 162: 125:(1969-08-01) 73: 64: 53:Please help 45: 1884:1969 deaths 1879:1891 births 1827:Robin Saxby 1794:Leo Beranek 1788:F. C. 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Lorenz 199:Biography 195:pioneer. 67:June 2024 1809:No award 1498:No award 1480:No award 1462:No award 1444:No award 1438:No award 1085:No award 1008:No award 656:ITT 2020 646:GeoEye-1 639:Products 522:Rayonier 136:American 547:WPXN-TV 361:at the 261:of the 55:improve 1859:(2024) 1853:(2023) 1847:(2022) 1841:(2021) 1835:(2020) 1829:(2019) 1823:(2018) 1817:(2017) 1811:(2016) 1802:(2014) 1796:(2013) 1790:(2012) 1784:(2011) 1778:(2010) 1772:(2009) 1766:(2008) 1760:(2007) 1751:(2005) 1745:(2004) 1739:(2003) 1733:(2002) 1727:(2001) 1710:(2000) 1704:(1999) 1698:(1998) 1692:(1997) 1686:(1996) 1680:(1995) 1674:(1994) 1668:(1993) 1662:(1992) 1656:(1991) 1650:(1990) 1644:(1989) 1638:(1988) 1632:(1987) 1626:(1986) 1620:(1985) 1611:(1983) 1602:(1981) 1596:(1980) 1587:(1978) 1581:(1977) 1561:(1975) 1555:(1974) 1549:(1973) 1539:(1972) 1533:(1971) 1524:(1969) 1518:(1968) 1512:(1967) 1506:(1966) 1500:(1965) 1494:(1964) 1488:(1963) 1482:(1962) 1476:(1961) 1470:(1960) 1464:(1959) 1458:(1958) 1452:(1957) 1446:(1956) 1440:(1955) 1434:(1954) 1428:(1953) 1368:(2021) 1362:(2020) 1356:(2019) 1350:(2018) 1344:(2017) 1338:(2016) 1332:(2015) 1326:(2014) 1320:(2013) 1314:(2012) 1308:(2011) 1302:(2010) 1296:(2009) 1290:(2008) 1284:(2007) 1278:(2006) 1272:(2005) 1266:(2004) 1260:(2003) 1254:(2002) 1248:(2001) 1231:(2000) 1225:(1999) 1219:(1998) 1213:(1997) 1207:(1996) 1201:(1995) 1195:(1994) 1189:(1993) 1183:(1992) 1177:(1991) 1171:(1990) 1165:(1989) 1159:(1988) 1153:(1987) 1147:(1986) 1141:(1985) 1135:(1984) 1129:(1983) 1123:(1982) 1117:(1981) 1111:(1980) 1105:(1979) 1099:(1978) 1093:(1977) 1087:(1976) 1070:(1975) 1064:(1974) 1058:(1973) 1052:(1972) 1046:(1971) 1040:(1970) 1034:(1969) 1028:(1968) 1022:(1967) 1016:(1966) 1010:(1965) 1004:(1964) 998:(1963) 988:(1962) 982:(1961) 976:(1960) 970:(1959) 964:(1958) 958:(1957) 952:(1956) 946:(1955) 940:(1954) 934:(1953) 928:(1952) 922:(1951) 905:(1950) 899:(1949) 893:(1948) 887:(1946) 881:(1945) 875:(1944) 869:(1943) 863:(1942) 857:(1941) 851:(1940) 845:(1939) 839:(1938) 833:(1937) 827:(1936) 821:(1935) 815:(1934) 809:(1933) 803:(1932) 797:(1931) 791:(1930) 785:(1929) 779:(1928) 773:(1927) 767:(1926) 750:(1924) 744:(1923) 738:(1922) 732:(1921) 726:(1920) 720:(1919) 714:(1917) 442:Cannon 286:Bikini 169:Fields 156:(1960) 149:(1944) 142:Awards 607:Media 482:Flygt 193:radio 40:, or 1545:and 1409:IEEE 994:and 191:and 120:Died 99:Born 370:at 1875:: 308:. 238:, 227:. 44:, 36:, 1401:e 1394:t 1387:v 690:e 683:t 676:v 400:e 393:t 386:v 107:) 103:( 80:) 74:( 69:) 65:( 51:.

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San Francisco, California
American
IEEE Medal of Honor
IEEE Founders Medal
Electrical engineering
electrical engineer
radio
San Francisco, California
Morse code
University of California
American Marconi Company
Bolinas, California
Marshall, California
United States Navy
Mare Island Navy Yard
California
Washington, D.C.
Palo Alto, California
United States Congress
J. Howard Dellinger
National Bureau of Standards
Harry Diamond
Mackay Radio and Telegraph Company

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