List of inventors and their invention  
   (part 5)
Inventors 
 | 
  
Invention 
 | 
  
Country 
 | 
 
O 
 | 
 ||
Aaron D. O’connell 
(born 1981) 
 | 
  
First Quantum Machine 
 | 
  
U.S 
 | 
 
J. Robert Oppenheimer 
(1904-1992) 
 | 
  
Atomic bomb 
 | 
  
United states 
 | 
 
William Oughtred 
(1575-1660) 
 | 
  
Slide rule 
 | 
  
UK 
 | 
 
P 
 | 
 ||
Arogyaswami Paulraj 
(Born 1944) 
 | 
  
MIMO 
 | 
  
India 
 | 
 
Helge Palmcrantz 
(1842-1880) 
 | 
  
Machine Gun 
 | 
  
Sweden 
 | 
 
Les Paul 
(1915-2009) 
 | 
  
Multitrack recording 
 | 
  
U.S 
 | 
 
John Pemberton 
(1831-1888) 
 | 
  
Coca Cola 
 | 
  
U.S 
 | 
 
Fritz Pfleumer 
(1881-1945) 
 | 
  
Magnetic Tape 
 | 
  
Germany 
 | 
 
Fyodor Pirotsky 
(1845-1898) 
 | 
  
Electric tram 
 | 
  
Russia 
 | 
 
Joseph Priestley 
(1733-1804) 
 | 
  
Soda Water 
 | 
  
UK 
 | 
 
Tivada Puskas 
(1844-1893) 
 | 
  
Telephone Exchange 
 | 
  
Hungary 
 | 
 
Q 
 | 
 ||
Adolphe Quetelet 
(1796-1874) 
 | 
  
Body mass index (BMI) 
 | 
  
France 
 | 
 
R 
 | 
 ||
John Goffe Rand 
(1801-1873) 
 | 
  
Tube 
 | 
  
U.S 
 | 
 
Adolph Rickenbacker 
(1886-1976) 
 | 
  
Electric Guitar 
 | 
  
Switzerland 
 | 
 
Hyman George Rickover 
(1900-1986) 
 | 
  
Nuclear Submarine 
 | 
  
U.S 
 | 
 
Niklaus Riggenback 
(1817-1899) 
 | 
  
Riggenbach rack railway system 
 | 
  
Switzerland 
 | 
 
Dennis Ritchie 
(1941-2011) 
 | 
  
C Programming language 
 | 
  
U.S 
 | 
 
Wilhelm Conrad rontgen (1845-1923) 
 | 
  
X ray Machine 
 | 
  
Germany 
 | 
 
Sidney Rosenthal 
(1907-1979) 
 | 
  
Magic Marker 
 | 
  
U.S 
 | 
 
Eugene Roshal 
(Born 1972) 
 | 
  
FAR file manager, RAR file format,
  WinRAR file archiver 
 | 
  
Russia 
 | 
 
Guido Van Rossum 
(Born 1956) 
 | 
  
Python programming language 
 | 
  
Netherlands 
 | 
 
Boris Rosing 
(1869-1933) 
 | 
  
CRT television 
 | 
  
Russia 
 | 
 
S 
 | 
 ||
Larry Sanger 
(Born 1968) 
 | 
  
Wikipedia 
 | 
  
U.S 
 | 
 
Alberto Santos Dumopnt (1873-1932) 
 | 
  
Non rigid airship and airplane 
 | 
  
Brazil 
 | 
 
Thomas Savery 
(1650-1715) 
 | 
  
Steam Engine 
 | 
  
UK 
 | 
 
Adolphe Sax 
(1814-1894) 
 | 
  
Saxophone 
 | 
  
Belgium 
 | 
 
Mark Serrurier  
(1904-1988) 
 | 
  
Optical telescopes 
 | 
  
U.S 
 | 
 
Ed Seymour  
(1949…) 
 | 
  
Aerosol Paint 
 | 
  
U.S 
 | 
 
Masatoshi Shima 
(Born 1943) 
 | 
  
Microprocessor 
 | 
  
Japan 
 | 
 
Alfred P. Southwick 
(1826-1898) 
 | 
  
Electric chair 
 | 
  
U.S 
 | 
 
Percy Spencer 
(1894-1970) 
 | 
  
Microwave oven 
 | 
  
U.S 
 | 
 
George Stephenson 
(1781-1848) 
 | 
  
Steam railway 
 | 
  
UK 
 | 
 
Levi Strauss 
(1799-1902) 
 | 
  
Blue jeans 
 | 
  
U.S 
 | 
 
Bjarne Stroustrup 
(Born 1950) 
 | 
  
C++ programming Language 
 | 
  
Denmark 
 | 
 

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