Who wrote Imagination should give wings to your thoughts but you always need decisive experimental proof?

The quote "Imagination should give wings to your thoughts but you always need decisive experimental proof" is attributed to J. Robert Oppenheimer, an American theoretical physicist known for his role in the development of the atomic bomb. This statement reflects the balance between creativity in scientific thought and the necessity of empirical evidence in validating those ideas. Oppenheimer emphasized the importance of imagination in science while also underscoring the critical role of experimentation.