Can you pass this 1970s quiz?
Which scientist developed his theories of black holes in the 1970s?
Stephen Hawking
Stephen Jay Gould
Donald Johanson
Georges Kohler
Browse Quizzes by Category
Hot Quizzes Trending Now
Mathematics
1.74 M Players
A jungle is 4 miles wide. A blind boy wants to see how far he can walk into the jungle. How far could he go into the jungle?
Lincoln
2.54 M Players
Who was Lincoln's assassin?