Penemu-Penemu Benda di Dunia

 1. Mesin uap, James Watt

 2. Mesin 4 tak, Nicolaus Otto

 3. Mesin diesel, Rudolf Diesel 

 4. Mesin cetak, Johannes Guttenberg

 5. Mesin ketik, Christopher Sholes
 6. Radio, C. Marconi
 7.Televisi, J.L. Baird & C.F. Jenkins
 8.Telegrap, Samuel F.B. Morse                                                                                       
  9.Telepon, Alexander Graham Bell (Versi Lama)
10.Telepon, Antonio Meucci (Versi Baru)
11.Dinamo, Michael Faraday                                                                                       
12.Elektromagnet, Williarn Sturgeon                                                                                          
 13.Bola lampu, Thomas Alva Edison
14.Proyektor film, Thomas Alva Edison

James Watt

15.Piringan hitam, Alexander Graham Bell
16.Batu baterai, Volta
17.Termometer, Galileo Galilei
18.Korek api, Robert Boyle, John Walker
19.Kapal api, Robert Fulton
20.Kapal selam, Cornelius van Drebbel
21.Sinar Rontgen, Wilhelm Conrad Rontgen                                                                
 22.Stetoskop, Rene Laennec
23.Lensa, Anthony Van Leuwenhook
24.Mikroskop, Zacharias Janssen
25.Teleskop, H. Lippershey
26.Kamera, Louis Jacques Monde da Guerre & Edwin Land
27.Pesawat terbang, Wilbur dan O. Wright
28.Kereta api, Murdocks
29.Sepeda, Civrac    
30.Balon terbang, Sir F. Whittle
31.Balon karet, Josep dan J. Montgolfier
32.Ban karet, Charles Goodyear
33.Barometer, Evangelista, Torricelli
34.Dinamit, Alfred Nobel

T.A.Edison

35.Lensa kaca mata, Benyamin Franklin     
36.Mesin hitung, Blaise Pascal
37.Mobil, Gottlich Daimler
38.Motor, Nikola Tesla
39.Tank, Sir Ernest Swinton
40.Traktor, Benyamin Holt
41.Tangga jalan, Elis G. Otis
42,Kawat pijar, Irving Langmuir