Who said "Imagination is more important than knowledge itself."?

This quote is attributed to Dr. Emmett Brown.

Imagination is more important than knowledge itself. - Dr. Emmett Brown

"Imagination is more important than knowledge itself."

Dr. Emmett Brown Imagination

"Great Scott!"

"This is heavy."

"There's that word again, 'heavy.' Is there something wrong with the Earth's gravitational pull?"

"If my calculations are correct, when this baby hits 88 miles per hour, you're gonna see some serious shit."

"Imagination is more powerful than knowledge."

"The world is full of wonders if you know where to look."

"You have the imagination of a child, Lucy"

"The world is full of mysteries waiting to be solved."