51. Who is the inventor of the microwave oven?
Horace de Saussure
52. Who is the inventor of modern diesel engine?
Herbert Akroyd Stuart
53. Who is considered to be the founder of the modern frozen food industry?
John W. Kieckhefer
54. Who is the inventor of gatling gun?
55. Who was the designer of Ak-47?
56. Who invented (Along with Bob Kahn) the Internet?
Theo de Raadt
Tim Berners Lee
57. Who was the inventor of the first loudspeaker?
Peter L. Jensen
58. Who is the inventor of commercial toilet paper?
Sir John Harington
59. Who invented the computer mouse?
60. Who is the inventor of fuel cell?
Roger E. Billings
William Robert Grove
Francis Thomas Bacon
W. Thomas Grubb