Who said "Imagination is the key to discovery."?

This quote is attributed to Indy.

Imagination is the key to discovery. - Indy

"Imagination is the key to discovery."

Indy Imagination

"It's not the years, honey, it's the mileage."

"Fortune and glory, kid."

"Snakes. Why'd it have to be snakes?"

"That's how we archaeologists tell time."

"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."