Simplify the following text for a Grade 10 native English-speaking person.
Original: He won the Nobel Prize in Physiology or Medicine in 1975 for discovering reverse transcriptase which he shared with Howard Temin and Renato Dulbecco .
Simplified: In 1975 , at the age of 37 , he shared the Nobel Prize for Physiology or Medicine with Howard Temin and Renato Dulbecco .