ENCYCLOPAEDIA OF THEWORLD SCIENTISTS

VOLUME X

(S TO Z)

Nagendra Kr. Singh

CONTENTS

Preface (v)

ScSchonfeld, Eduard (1828 - 1891)

Schonherr, C. Johan (1772 - 1848)

Schonland, B.F. Jamiesoh(1896-1972)

Schonlein, J. Lucas (1793 - 1864)

Schoolcraft, H. Rowe (1793 - 1864)

Schooten, F. Van (1615 - 1660)

Schopfer, William-Henri (1900 - 1962)

Schorlemmer, Carl (1834-1892)

Schott, Caspar (1608 - 1666)

Schott, C. Anthony (1826 - 1901)

Schott, O. Friedrich (1851 - 1935)

Schottky, F. Hermann (1850 - 1935)

Schoute, P. Hendrik (1846 - 1923)

Schouten, J. Amoldus (1883 - 1971)

Schouw, J. Frederik (1789 - 1852)

Schreibers, K.F.A. Von (1757 - 1852)

Schrieffer, J. Albert (1931 - )

Schroder, F.W. Karl Ernst(1841 -1902)

Schrodinger, Erwin (1887 - 1961)

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Schroeder Van Der Kolk, J.L. Conradus

(1797-1862) 39

Schroether, H. Eduard (1829 -1892) 42

Schroter, J. Hieronymi's (1745 - 1816) 43

Schrotter, Anton Von (1802-1875) 44

Schubert, H.C.Hannibal (1848-1911) 45

Schuchert, Charles (1858 - 1942K 48

Schuemann, Heinrich (1822 - 1890) 50

Schultze, M.J. Sigismund (1825 - 1874) 54

Schulze, F. Ferdinand (1815 - 1873) 57

Schumacher, H.Christian (1780-1850) 59

Schumann, Victor (1841-1913) 60

Schunck, H. Edward (1820 - 1903) 62

Schur,Issai (1875 -1941) 64

Schuster, Aarthur (1851 - 1934) 65

Schwabe, S. Heinrich (1789 - 1875) 67

Schwann, T.A. Hubert (1810 - 1882) 68

Schwarz, Hermann Amandus

(1843-1921) 75

Schwarzschild, Karl (1873 - 1916) 78

Schweigger, J.S. Cchris-Toph,(1779-1857) 81

Schweikart, F. Karl (1780 - 1859) 83

Schwinger, J.Seymour (1918-) 84

(viii) ENCYCLOPAEDIA OF THE WORLD SCIENTISTS

Scilla, Agostino (1629 - 1700)

Sclater, P. Luteley (1829 - 1913)

Scott, D.Henry (1854-1934)

Scott, W. Berryman (1858 - 1947)

Scrope, George Julius Poulett(1797-1876)

Scudder, Samuel Hubbard(1837-1911)

Seaborg, Glen Theodore (1912 - )

Seares, F. Hanley (1873 - 1964)

Sears Paul Bigelow (1891 - )

Secchi, Angelo (1818 -1878)

Sechenov, Ivan Mikhaylovich(1829-1905)

Sederholm, Johannes Jakob(1863-1934)

Sedgwick, Adam (1785 - 1873)

Sedov, Georgy Yakovilevich(1877-1914)

See, Thomas Jefferson Jackson(1866-1962)

Seebeck, Thomas (1770-1831)

Seeliger, H. Von (1849 - 1924)

Sefstrom, N. Gabriel (1787 - 1845)

Segner, Janos-Andras (1704 - 1777'

Segre, Corrado (1863 - 1924)

Segre, Emilio Gino (1905 - 1989)

Seguin, Armand (1767 - 1835)

Seguin, Marc (1786- 1875)

Seidel, P L . Von (1821-1896)

Sekhara, Nayana

SekiKowa(1642-)

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Seki, Takakazu (1642[?J - 1708)

Seleucus (2nd Century B.C.)

Selwyn, Alfred Richard Cecil(1824-1902) f

Semenov, Nikolay Nikolaevich

(1896-)

Semmelweis, Ignaz Philipp.(1818-1865)

Semon, R. Wolfgang (1859-1918)

Semper, C. Gottfried (1832 - 1893)

Semyonov-Tyan-Shansky, P.P. Vich(1827-1914)

Sen, Gananath (1877-)

Sen, Yogendranath (1871 - 1918)

Sena, Iswara (12th Century)

Sena, Shivadasa (1448)

Senac, Jean-Baptiste (1693 - 1770)

Senarmont, H. Hureau De(1808-1862)

Senderens, Jean-Baptiste(1856-1936)

Sendivogius, Michael (1566 - 1636)

Senebier, Jean (1742 - 1809)

Seneca, L. Annaeus (d. 65)

Sennert, Daniel (1572 - 1637)

Serenus (4th Century)V J J

Sergent, Edmond (1876 - 1969)

Serre, Jean-Pierre (1926 - )

Serres, A.E. Reynljd Augustan(1786-1868)

Serres De Mesples, M. P. T. De(1780-1862)

Serres, O.De (1539- 1619)

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CONTENTS (fc)

Serret, J.Alfred (1819-1885)

Sertoli, Enrico (1842-1910)

Serturner, F.W. Adam Ferdinand(1783 -1841)

Serullas, Ggeorges-Simon(1774- 1832)

Servetus, Michael (1511 - 1553)

Servois, Francois-Joseph(1767-1847)

Seshadri, T.R. (1900 -1975)

Sesse Y Lacasta, Martin De(1751-1808)

Setchell, W. Albert (1864 - 1943)

Severgin, Vasily Mikhaylovich(1765-1826)

Severi, Francesco (1879-1961)

Severin, Christian (1562 - 1647)

Severing, M. Aurelio (1580- 1656)

Severinus, Petrus (1542 - 1602)

Severtsov, A. Nikolaevich(1866-1936)

Seward, A. Charles (1863-1941)

Sextus Empiricus (200)

Seyfert, C. Keenan (1911 - 1960)

Sezawa, Katsutada (1895 - 1944)

Shakerley, Jeremy (1626 - 1655)

Shaler, Nathaniel Southgate(1841-1906)

Shannon, C. Elwood (1916 - )

Shapley, Harlow (1885 - 1972)

Sharangadhara (1363)

Sharma, Priyavrata (1920 - )

Sharaf Al-Din Al-Tusi (1135 - 1213)

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216

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239

Sharonov, V. Vasilevich

(1901-1964) 240

Sharpey, William (1802 T 1880) 243

Sharpey-Schafer, Edward Albert

(T850-1935) 244

Sharrock, Robert (1630 - 1684) 248

Shastry, Satyanarayana (1886 - ) 248

Shastry, Shaligramji (1885 - 1940) 249

Ibn Al-Shatir, Cala Al-Din(1305-1375) 249

Shatunovsky, Samuil Osipovich

(1859-1929) 253

Shaw, Peter (1694 - 1764) 255

Shaw, William Napier (1854-1945) \ 256

Shayn, Grigory Abramovich

(1892-1956) 258

Shemin, David (1911-) 261

ShenGua(1031-1095) 262

Shen Kuai (1031 - 1095) 264

Shepard, Francis Parker (1896 - ) 277

Sheppard, Phillip Macdonald

(1921-1976) 278

Sherman, H. Clapp (1875 - 1955) 279

Sherrjngton, C. Scott (1857 - 1952) 279

Shibukawa, Harumi (1639 -1715) 291

Shilov, N. Aleksandrovich

(1872-1930) 294

Shirakatsi, Anania (620 - 685) 295

Al-Shirazi Qutb al-Din Mahmmad

(1236-1311) 298

Shizuki, Tadao (1760 - 1806) 300

Shmalhauzen, Ivan Ivanovich(1884-1963) ,„ 304

ENCYCLOPAEDIA OF THE WORLD SCIENTISTS

Shnirelman, Lev Genrikhovich

(1905-1938) 306

Shockley, William (1910 - 1989) 307

Shodhala (12th Century) 308

Shokalsky, Yuly Mikhaylovich

(1856-1940) 309

Short, James (1710-1768) 311

Shrapnel, Henry (1761 - 1842) 313

Shtokman, Vladimir Borisovich

(1909-1968) 314

Shull, A. Franklin (1881 -1961) 317

Shull,C.Glenwood(1915-) 320

Shunti Swaroop Bhatnagar

(1894-1955) 321

Siddha, Nityanatha (14th Century) 322

Sidgwick, N. Vincent (1873 - 1952) 323

Siebol, C.T. Ernst Von(1804-1885) 326

Siedentopf, H.F. Wilhelni-

(1872-1940) 330

Siedlecki, Michal (1873 - 1940) 331

Siegbahn, K. Manne Georg(1886-1978) 333

Siemens, Charles William(1823-1883) 334

Siemens, Ernst Werner Von

(1816-1892) 335

Siemens, Friedrich (1826 - 1904) 337

Sierpinski, Waclav (1882 - 1969) 338

Sigaud De Lafond, Joseph-Aignan

(1730-1810) 339

Siger of Brabant (1240-1284) 341

Sigorgne, Pierre (1719-1809) 343

Siguenza Y Gongora, Carlos De(1645-1700) 345

Al-Sijzi, Abu Sa'id Ahmad

(945 -1020) 346

Sikorsky, I. Ivanovich (1889 - 1972) 348

Silliman, Jr. Benjamin (1816 - 1885) 349

Siluman, Benjamin (1779 - 1864) 353

Simha,Pratapa(1892-) 356

Simon De Phares (1450 - 1499) 356

Simon, Franz Eugen (1893 - 1956) 358

Simplicius(500-533) 361

Simpson, George Gaylord (1902 - ) 366

Simpson, George Clarke

(1878-1965) 366

Simpson,JamesYoung(1811-1870) 367

Simpson, Thomas (1710— 1761) 368

Simson, Robert (1687 - 1768) 370

Sinan Ibn Thabit Ibn Qurra, Abu Sacid

(880-943) 373

Sinclair, Clive Maries (1940-) 375

Singer, I. Merrit (1811-1875) 376

Sitter, WillemDe (1872-1934) 376

Al-Sijzi, Abu Sa'id Ahmad

(945-1020) 379

Skoda, Josef (1805 - 1881) 382

Skolem,A.Thoralf(1887-1963) 384Skraup.Z. Bans (1850-1910) 385Skryabin, Konstantin Ivanvich

(1878-1972) 387

Slipher, Earl C. (1883-1964) 388

Slipher, Vesto Melvinwas(1875-1969) 390

CONTENTS (xi)

Slone, Bans (1660-1753)

Sluse, Rene-Francois De (1622 - 1685)

Slutskv, E. Evgenievich (1880 - 1948)

Smeaton, John (1724 - 1792)

Smekal, A.G. Stephan (1895 - 1959) /

Smellie, William (1697 - 1763)

Smith, Edgar Fahs (1854 - 1928)

Smith, Edward (1818 - 1874)

Smith, H.Othanel (1931-)

Smith, H. John (1826 - 1883)

Smithson, James (1765 - 1829)

Snell, George Davis (1903 - )

Snell, W. Van Roijen (1591 - 1626)

Snyder,S.Halbert(1938-)

Sobrero, Ascanio (1812-1888)

Socrates (469 B.C. - 399 B.C.)

Sokoloff, Louis (1921-)

Somadeva (12/13th Century)

Somerville, Mary (1780 - 1872)

Someswara (1126-38)

Sommerfeld, Arnold (1868 - 1951)

Sondheimer, Franz (1926 - )

Song Chi (1186- 1249)

Song Yingxing (1587 - 1666)

Sonneborn, T. Morton (1905 - )

Sorby, H. Clifton (1826 - 1908)

Sosigenes of Alexandria(1st Century B.C.)

Soufflot, Jacques-Germain(1713 -1780)

Spedding, Frank Harold (1902-)

393

398

400

401

404

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411

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417"

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427

Spence, Peter (1806 - 1883) ^

Sperry, Roger Wolcott (1913 - )

Sphujidhvaja (3rd Century)

Spiegelman, Sol (1914 - )

Spitzer, Lyman Jr. (1914 - )

Sp6rer, G. F. Wilhelm (1822 - 1895)

Sprengel, H.J. Philipp (1834-1906)

Sridhara (9th Century)

Sripati (1039 -1056)

Stahl, Franklin William (1910 - )

Stanley, W. Meredith (1904 - 1971)

Stanley, F. Edgar (1849-1918)

Stark, Johannes (1874 - 1957)

Stas, Jean Servais (1813-1891)

Stebbins, G. Ledyard (1906 —)

Steenstrup, J. Japetus Smith(1813-1897)

Stein, William Howard (1911-)

Steinberger, Jack (1921-)

Steno, Nicolaus (1638-1686)

Stephenson, George (1781-1848)

Stephenson, Robert (1803 - 1859) .

Stern, Curt (1902 - )

Stevinus, Simon (1548 - 1620)

Stirling, Robert (1790 r-1878)

Stokes, Adrian (1887 - 1927)

Stokes, G. Gabriel (1819-1903)

Stoney G. Johnstone (1826-1911)

Strasburger, E. Adolf (1844 -1912)

Strassmann, Fritz (1902-)

Strohmeyer, Friedrich (1776-1835)

; 427

; 428

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441

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451

(xii) ENCYCLOPAEDIA OF THE WORLD SCIENTISTS

Stromgren, B. G. Daniel (1908 - )

Struve, F. G. Wilhelm Von (1793-1864)

Su Sung (1020-1101)

Sudhoff, Karl (1853-1938)

Al-Sufi, Abu'l-Husayn (903 - 986)

Sugden, Samuel (1892 - 1950)

Sun Simo (6th Century)

Sun Zi (17th Century)

Susruta (11th Century)

Sutherland, Earl (1915 - 1974)

Al-Suyuti (1445-1505)

Svedberg, Theodor (1884 - 1971)

Swami, Lakshmiramji (1873 - 1939)

Swaminathan, M.S. (1925 - )

Swammerdam, Jan (1637 - 1680)

Swan, J. Wilson (1828 - 1917)

Swinburne, James (1858-1958)

Swinton, A.A. Campbell(1863-1930)

Sylvius, Franciscus (1614— 1672)

Sylvius, Franciscus (1614 - 1672)

Synge, R. L. Millington (1914 - )

Szent-Gyorgi, Albert (1893 - 1986)

Szilard, Leo (1898-1964)

Al-Tabari, Abu'l-Hasan(783-858)

Takamine, Jokichi (1854 - 1922)

Takebe Katahiro (1664 - 1739)

Tamm, I. Yevgenyevich (1895 - 197.1)

451

452

453

454

457

458

459

461

462

463

463

465

465

466

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471

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473

474

475

475

476

477

479

481A O 1

481

483

Tang Shenwei (1 lth Century)

Tansley, A. George (1871 - 1955) -

Tao Hongjing (6th Century)

Taqi al-Din, M. Al-Rasid Ibn Ma'ruf(1521-1585)

Taranath Pandit (1891 - )

Tarski, Alfred (1902-)

Tartaglia, Niccolo (1501 -1557)

Tatum, Edward Lawrie (1909 - )

Taube, Henry (1915-)

Taussig, H. Brooke (1898 - 1986)

Taylor, G. Ingram (1886 - 1975)

Taylor, Hugh (1890 - 1974)

Teisserenc De Bort, L. Philippe(1855-1913)

Telford, Thomas (1757 - 1834)

Teller, Edward (1908 - )

Temin, Howard Martin (1934 - )

Tennant, Charles (1768 - 1838)

Tennant, Smithson (1761-1815)

Abu'l-Hasan (836-901)

Thales(625B.C.-547B.C.)

Theiler, Max (1899-1972)

Thenard, L. Jacques (1777 - 1857)

Theorell, A! H. Theodor (1903 - 1982)

Thiele, F. Karl Johannes (1865-1918)

Thiout, Antoine (1692 - 1767)

Thomas, S. Kuhn (1912 - 1996)

Thomas, Sidney Gilchrist (1850 - 1885)

Thompson, D'Arcy Wentworth(1860-1948)

483484

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491

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493

511

511

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514

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521

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523

524

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527

CONTENTS (xiii)

Thompson, H. Warns (1908 - )

Thomson, James (1822 - 1892)

Thomson, George Paget(1892-1975)

528

528

529

Thomson, Joseph John (1856 - 1940) 530

Thome, Kip (1940-) 532

Thorpe, T. Edward (1845 - 1925) 533

Thunberg, Carl Per (1743 - 1828) 533

Tiemann, J.C.W. Ferdinand

(1848-1899) 535

Tilden, William Augustus (1842 - 1926) 535

Tinbergen, Nikolas (1907 - 1988) 536

Ting, Samuel Chao Chung (1936 - ) 538

Tishler, Max (1906-) 539

Tizard,H. Thomas (1885-1959) 539

Todaramalla (16th Century) 541

Todd,A.Robertus(1907-) 541,

Tombaugh, C. William (1906 - ) 542

Tomonaga, Sinitiro (1906 - 1979) 543

Tompion, Thomas (1639 - 1713) 544

Topchiev, A. Vasil'evich

(1907-1962) 545

Torrey, John (1796-1873) 545

Torricelli, Evangelista (1608 - 1647) 546

Toscanelli, Paolo (1397-1482) 547

Tousey, Richard (1908 - ) 548

Townes,C. Hard (1915-) 549

Townsend, J.S. Edward (1868 - 1957) 549

Townshend, Charles (1674 - 1738) 550

Traube, Moritz (1826 - 1894) 551

Travers, M. William (1872 - 1961) 552

Tr&aguet, Pierre (1716 -1796) 553

Trevithick, Richard (1771 - 1833) 553

Trikkovil U. Warner (1855 - 1936) 554

Tull.Jethro (1674-1741) 555

Turing, A. Mathison (1912 - 1954) 555

Turner, Victor (1920-1983) 556

Tuve, M. Antony (1901 - ) 558

uUgraditya (8th Century) 561

Uhlenbeck, G. Eugene (1900 - ) 562

Ukhtomsky, A. Alexeivich(1875-1942) 562

Ulloa Y P e La T. Giral, Antonio De

(1716-1795) 565

Ulrich, Edward Oscar (1857 -1944) 566

Ulrich of Strasbourg (13th Century) 570

Ulstad, Philipp (16th Century) 571

Ulugh Beg (1394 - 1449) 573

'Umar Ibn Al-Farrukhan Al-Tabari

(8th Century) 576

Unanue, Jose Hipolito (1755 - 1833) 578

Unger, Franz (1800 - 1870) 579

Unzer, J. August (1727 - 1799) 581

Upadhyaya, Madhava (18th Century) 583

Al-Uqlidisi, Abu'l-Hasan A. Ibn Ibrahim

(10th Century) 584

Urbain, Georges (1872 - 1938) 585

Al-Urdi, (13th Century) 586

Ure, Andrew (1778-1857) 587

Uryson, Pavel~Samuilovich(1898-1924) 589

(xiv) ENCYCLOPAEDIA OF THE WORLD SCIENTISTS

Vachaspati (14th Century) 593

Vagner, E. Egorovich (1849 - 1903) 593

Vailati, Giovanni (1863 - 1909) 594

Vaillant, Leon-Louis (1834 - 1914) 596

Vaillant, Sebastien (1669 - 1722) 599

Valenciennes, Achille (1794 - 1865) 601

Valentin, G. Gustav (1810-1883) 602

Valentine, B. or B. Valentinus

(1394 - ) 608

Valerio, Luca (1552-1618) 610

Vallabhacharya, Indrakanta 612

Vallee-Poussin, C.De La

(1866-1962) 612

Vallisnieri, Antonio (1661 - 1730) 614

Valmont De Bomare, Jacques-Chritopher

(1731-1807) 618

Valsalva, Anton Maria (1666 - 1723) 620

Valturio, Roberto (1405 - 1475) 622

Valverde, Juan De (1520 - 1588) 624

Van De Graaff, R. Jemospm(1901-1967) 625

Van De Hulst, H. Christoffell

(1918-) 628

Van De Kamp, Peter (1901 - ) 629

Van Der Waals, J. Diderik (1837 - 1923) 630

Van Hise, C.Richard (1857-1918) 630

Van Maanen, Adriaan (1884 - 1946) 632

Van Slyke, D. Dexter (1883 - 1971) 633

Van Vleck, J. Hasbrouck (1899 - ) 63 5

Vandermonde, Alexandre-Theophile(1735-1796) 636

Vane, John Robert (1927 - ) 63 8

Vangasena (13th Century) 638

Vanini, G. Cesare (1585 -1619) 639

Van't Hoff, J. Henricus (1852 - 1911) 640

Vanuxem, Lardner (1792 -1848) 649

Varahamihira (6th Century) 650

Varenius, Bernhardus (1622 - 1650) 652

Varignon, Piere (1654-1722) 653

Varolio, Costanzo (1543 - 1575) 658

Varro, M. Terentius

(116 B.C.-27 B.C.) 659

Vassale, Giulio (1862-1913) 661

Vastarini-Cresi, Giovanni

(1870-1924) 662

Vatesvara (880 - ) 663

Vauban, S. Le Prestre De (1633 - 1707) 664

Vaucanson, J. De (1709 - 1782) 670

Vaucher, J. P. Etienne (1763- 1841) 671

Vauquelin, N. Louis (1763 - 1829) 672

Vavilov, N. Ivanovitch (1887-1943) 675

Vavilov S. Ivanovich (1891 - 1951) 676

Veerasimha(1383) 678

Veksler, V. Losofich (1907 - 1966) ; 678

Vening Meinesz, F. Andries

(1887-1966) 678

Venn, John (1834 - 1923) 687

Vermuyden, Cornelius (1595 - 1677) 690

Vesalius, Andreas (1514-1564) 691

Vidal Dr La Blache, Paul (1845 - 1918) 704

Vieland, Heinrich (1877 - 1957) 705

Viete, Francois (1540 - 1603) 706

Vijayarakshita (13th Century A.D) 715

CONTENTS (XV)-

Villemin, J. Antoine (1827 - 1892)

Vine, F.John (1939-)

Vinogradov, F. Matreevich (1891 - )

Virchow, R.L. Carl (1821 - 1902)

Vishnudeva (14th Century)

Vishwanath Dwivedi (1907 - )

Vitruvius (1st Century b.c.)

Vogel, H. Wihelm (1834-1898)

Volta, Alessandro (1745 - 1827)

Von Braun, W. M. Maximilian(1912-1977)

Von Buch, C. Leopold (1774 - 1853)

Von Euler, UlfSvante (1905 - )

Von Kolliker, R. Albert (1817 - 1905)

Von Laue, M. T. Felix (1879 - 1960)

Von Neumann, John (1903 - 1957)

Von Pettenkofer, Max Josef(1818-1901)

Von Richthofen, Ferdinand(1833-1905)

Vonnegut, Bernard (1914-)

Vries, Hugo Marie De (1848 - 1935)

Vrinda (10th Century)

wWaddington, Conrad Hal (1905 - 1975)

Wagner-Juaregg, Julius (1857 - 1940)

Wald, George (1906-)

Walden, Paul (1863-1957)

Waldeyer-Hartz, H.W. Gottfried(1836-1921)

Walker, James (1863-1935)

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724

725

726

727

727

729

729

730

731

732

733

733

734

735

Wallace, A. Russel (1823 -1913)

Wallis, B. Neville (1887 - 1979)

Wallis, John (1616-1703)

Walschaerts, Egide (1820 - 1901)

Walter, W. Grey (1910-)

Walton, E.T. Sinton (1903 - )

Wang Chong (27 - )

Wang Xiaotong (7th Century)

Wang Xichan (1628-1682)

Wankel, Felix (1902 - 1988)

Ward, Joshua (1685-1761)

Warren, Shields (1898-)

Warren, Stafford L. (1896 - )

Warrior, PS. (1869-)

Wasserman, August Von(1866-1925)

Watson, D.M. Seares (1886 - 1973)

Watson, James Dewey (1928 - )

Watson, William (1715 - 1787)

Watson-Watt, R. Alexander(1892-1973)

Weber, E. Heinrich (1795 - 1878)

Wedgwood, Thomas (1^71 - 1805)

Wei Boyang (19th Century)

Weil, Andre (1906-)

Weinberg, Steven (1933 - )

WeiseLT. Nils (1924 - )

Weismann, A. F. Leopold(1834-1914)

Weizsacker, B. C. Friedrich Von(1912-)

Weldon, Walter (1832-1885)

735737

738

739

739

740

740

741

743

744

745

745

746

746

747

747

748

749

749

751

753

753

755

755

756

756

757

758

(xvi) ENCYCLOPAEDIA OF THE WORLD SCIENTISTS

Wellcome, Henry Solomon(1853-1936)

Weller,T.Huckle(1915-)

Wells, Horace (1815 - 1848)

Welsbach, Carl Auer, Baron Von(1858- 1929)

Wendelin, Gottfried (1580 - 1667)

Wenner-Gren, A. Leonard(1881-1961)

Wenzel, Carl Friedrich (1740 - 1793)

Werner, Alfred (1866 - 1919)

Westinghouse, George (1846-1914)

Weston, Richard (1591 - 1652)

Weyl, Hermann (1885 - 1955)

Wheatstone, Charles (1802 - 1875)

Wheeler, J. Archibald (1911 - )

Whewell, William (1794 - 1866)

Whinfield, J. Rex (1901 - 1966)

Whipple, Fred Lawrence(1906 - )

Whipple, George Hoyt (1878 - 1976)

White, Jr. Lynn (1907 - 1987)

Whitehead, Robert (1823 - 1905)

Whitney, Eli (1765-1825)

Whittaker, E. Taylor (1873 - 1956)

Whittle, Frank (1907 - )

Whitworth, Joseph (1803 - 1887)

Wiener, A. Solomon (1907 - 1976)

Wiener, Norbert (1894 - 1964)

Wigglesworth, V. Brian (1899 - )

Wigner, E.Paul (1902-)

759

760

760

7611 \J X

762

762

763

763

765

765

766

767

768

769

771

772

773

774

776

111

111

11%

119

780

781

782

783

Wild, John Paul (1923-)

Wildt, Rupert (1905-1976)

Wilkins, M.H. Frederick (1916 - )

Wilkins, R. Wallace (1906 - )

Wilkinson, Geoffrey (1921 - )

Wilkinson, John (1728 - 1808)

Wilkinson, Denys Haigh (1922 - )

Williams, E. James (1903 - 1945)

Williams, Robert R. (1886 - 1995)

Williams, Robley Cook (1908 - )

Wilson, John Tuzo (1908 - )

Wilson, E. Osborne (1929 - )

Wilson, K.Geddes(l936-)

Wilson, R. Woodrow (1936 - )

Windaus, A.O. Reinhold (1876 - 1959)

Winkler, C. Alexander (1838 - 1904)

Winsor, F. Albert (1763 - 1830)

Wislicenus, J. Adolph (1835*- 1902)

Wolf, Maximilian (1863 - 1932)

Wolff, K. Friedrich (1733 - 1794)

Woodward, R. Burns (1917 - 1979)

Woodward, A. Smith (1864 - 1944)

Wren, Christopher (1632 - 1723)

Wright, Wilbur (1867 - 1912)and Orville Wilbur (1871 - 1948)

WuChien-Sung(1912-)

XXiahou Yang (5th Century)

Xu Yue (6th Century)

783

784

785

786

786

787

788

788

789

790

791

791

792

793

793

794

795

795

796

797

797

798

799

800

801

803

804

CONTENTS ixvii)

Ya'qubibnTariq 807

Yahya Ibn Abi Mansur (9th Century) 808

Yalow, Rosalyn (1921 - ) 809

Yang Chen (1922-) 810

Yang Hui (1261-1275) 811

Yaqut Al-Hcmawi Al-Rumi

(1179-1229) 812

Yashodhara (13th Century) 815

Yativrsabha (6th Century) 816

Yavanesvara (149 - 150) 816

Yerkes, R. Mearns (1876 - 1956) 817

Yersin, Alexandra (1863 - 1943) 820

Youden, W. John (1900- 1971) 821

Young, Arthur (1741 - 1820) 827

Young, C. Augustus (1834 - 1908) 828

Young, James (1811-1883) 830

Young, J. Richardson (1782 - 1804) 831

Young, J. Wesley (1879 - 1932) 832

Young, Sydney(1857 - 1937) 834

Young, Thomas (1773-1829) 835

Young, W. Hemru (1863 - 1942) 849

Yukawa, Hindeki (1907 - 1981) 851

Yuktibhasa of Jyesthadeva (1500 - 1610) 852

Yule, George Udny (1871 - 1951) 854

Ibn Yunus, Abu'l-Hasan (d. 1009) 855

Zabarella, Jacopo (1533 - 1589)

Zach, Franz Xaver Von(1754-1832)

865

868

Zacut, A. Bar S. Bar Abraham(1452-1515) 869

Al-Zahrawi, Abipl-Qasim K. Ibn Abbas(936-1013) 870

Zaluzansky Ze Zaluzan, Adam

(1558^1613) 873

Zambeccari, Giuseppe (1655 - 1728) 875

Zambonini, Ferruccio (1880 - 1932) 876

Zandu Vittalji Bhat (1831 - ) 878

Zanotti, Eustacio (1709 - 1782) 879

Zarankiewicz, Kazimierz (1902 - 1959) 881

Al-Zarqali Abu I.I. Ibn Y. Al-Naqqash

(d. 1100) 883

Zavarzin, A. Aleksvich (1886-1945) 886

Zeeman, Pieter (1865 - 1943) 888

Zeiler, Rene Charles (1847 - 1915) 891

Zeise, W. Christopher (1789 - 1847) 892

Zeiss, Carl (1816-1888) 894

Zelinsky, N. Dmitrievich (1861 - 1953) 895

Zemplen, Geza (1883 - 1956) 897

Zeno of Citium (b. 335 B.C.) 898

Zeno of Elea (490 B.C - 4 2 5 B.C.) 901

ZenoofSidon(150B.C.-70B.C.) 909

Zenodorus (2nd Century B .C.) 910

von Zeppelin, Ferdinand Count(1838-1917) 913

Zermelo, E.F. Ferdinand (1871 - 1953) 914Zernike, Frits (1888 - 1966) 918

Zeuner, G. Anton (1828 - 1907) 920

Zeuthen, H. George (1839 - 1920) 921

Zhang Heng (78-139) 923

Zhang Qiuj ian Suanj ing (5th Century) 924

(xviii) ENCYCLOPAEDIA OF THE WORLD SCIENTISTS

Zhang Zhongjing (150 - 220)

Zhu Shijie (12th Century)

Zhukovsky, N. Egorovich(1847-1921)

Ziegler, Karl (1898-1973)

Zinin, N. Nikolaevich(1812-1880)

Zinsser, Hans (1878-1940)

Zirkel, Ferdinand (1838 - 1912)

Zittel, Karl Alfred Von (1839 - 1904)

Zollner, J. K. Friedrich (1834 - 1882)

Zolotarev, E. Ivanovich (1847 - 1878)

926927

929

933

934

935

939

940

943

946

Zosimus of Panopolis (d. 300) 947

Zou Yan (250 B.C.) 950

Zsigmondy, R. Adolf (1865 - 1929) 951

Zu Chongzhi (b. 429) ^ 953

Zubov, N. Nikolaevich (1885 - 1960) 955

Zubov, V. Pavlovich (1899 - 1963) 958

Zucchi.Niccolo (1586-1670) 959

Ibn Zuhr (1092-1162) 960

Zwelfer, Johann (1618 - 1668) 962

Zworykin, V. Kosma (1889 - 1982) 963

Zzvadovsky, M. Mikhaylovich(1891 -1957) 964