Igor Sikorsky, (1889–1972)...................................................................................................... 121
Kia Silverbrook, (1958-) ........................................................................................................... 121
Vladimir Simonov, (born 1935) ............................................................................................... 121
Charles Simonyi, (1948–) ........................................................................................................ 121
Ibn Sina (Avicenna), (973–1037) ............................................................................................. 121
Isaac Singer, (1811–1875) ....................................................................................................... 121
B. F. Skinner, (1904–1990) ...................................................................................................... 121
Nikolay Slavyanov, (1854–1897) ............................................................................................. 121
Alexander Smakula, (1900–1983) ........................................................................................... 121
Yefim Smolin ........................................................................................................................... 121
Igor Spassky, (1926–) .............................................................................................................. 121
Percy Spencer, (1894–1970) ................................................................................................... 121
Elmer Ambrose Sperry, (1860–1930) ...................................................................................... 121
Ladislas Starevich, (1882–1965) .............................................................................................. 121
Gary Starkweather, (1938–) .................................................................................................... 121
Boris Stechkin, (1891–1969) ................................................................................................... 121
George Stephenson, (1781–1848) .......................................................................................... 121
Simon Stevin, (1548–1620) ..................................................................................................... 121
Andreas Stihl (1896–1973) ...................................................................................................... 121
Reverend Dr Robert Stirling (1790–1878) ............................................................................... 121
Aurel Stodola, (1859–1942) .................................................................................................... 121
Aleksandr Stoletov, (1839–1896) ............................................................................................ 121
Levi Strauss, (1829–1902) ....................................................................................................... 121
John Stringfellow, (1799–1883) .............................................................................................. 121
Almon Strowger, (1839–1902) ................................................................................................ 122
Su Song, (1020–1101) ............................................................................................................. 122
Pavel Sukhoi, (1895–1975) ...................................................................................................... 122
Simon Sunatori, (1959–) ......................................................................................................... 122
Sushruta, (600 BC) ................................................................................................................... 122
Abd al-Rahman al-Sufi (Azophi), (903–986) ............................................................................ 122
Joseph Swan, (1828–1914) ..................................................................................................... 122
Robert Swanson, (1905–1994) ................................................................................................ 122
Andrei Sychra, (1773- 76 – 1850) ............................................................................................. 122