Which disciple asked Jesus, "Lord, show us the Father, and that will be enough for us"?

Answer: Philip

Jesus replied, "Philip, I have been with you all this time, and still you do not know Me? Anyone who has seen Me has seen the Father."

“Philip said to Him, “Lord, show us the Father, and that will be enough for us.” Jesus replied, “Philip, I have been with you all this time, and still you do not know Me? Anyone who has seen Me has seen the Father. How can you say, ‘Show us the Father’?”— John 14:8-9 (BSB)