81.
What drink was invented by Charles Leiper Grigg in 1929?

82.
For what is Charles Babbage (1792-1871) remembered?

83.
Who invented Automobiles using gasoline?

84.
Who invented the battery?

85.
The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name?

86.
What treat was invented by 11-year-old Frank Epperson in 1905?

87.
When was Milk Tray first introduced?

88.
When was the toothbrush invented?

89.
What item of apparel was invented by Ellery Chun, a Hawaiian clothing merchant, in 1931?

90.
Who invented Fountain Pen?