Albert Einstein: The chicken did not cross the road. The road passed beneath the chicken.
Isaac Newton: Chickens at rest tend to stay at rest. Chickens in motion tend to cross roads.
Marie Curie: Good question. And one that is much less hazardous to one’s health.
John David Jackson: You’ll find out after you complete this 37-page calculation.
Archimedes: I was running through the streets yelling and screaming, and it was only afterward that I realized I was carrying a chicken.
Blaise Pascal: The chicken felt pressure on this side of the road. However, when it arrived on the other side it still felt the same pressure.
Stephen Hawking: Chicken fluctuations will inevitably create a scenario where a chicken ends up on the other side of the yellow line, in which case there is a nonzero probability that it will escape to the other side.
Carl Sagan: There are billions and billions of such chickens, crossing roads just like this one, all across the universe. [Apologies for perpetuating the misquote.]
Robert Oppenheimer: Although it was deemed appropriate at the time, people will forever question whether it was correct for the chicken to cross the road.
... find more answers from the Harvard Physics Department.