Which of the following discoveries resulted in a Nobel Prize

Which of the following scientists was awarded a Nobel Prize for his services to Theoretical Physics, and especially for his discovery of the Law of the Photoelectric Effect?

Which of the following microbiologists won, the Nobel Prize in physiology and medicine in 1952 ?

Which of the following microbiologists won, the Nobel Prize in physiology and medicine in 1952 ?

Which of the following microbiologists won, the Nobel Prize in physiology and medicine in 1952 ?

Which of the following microbiologists won, the Nobel Prize in physiology and medicine in 1952 ?

Which of the following was honoured with the Nobel Prize in the youngest age?