Simplify the following text for a Grade 9 native English-speaking person.
Original: SJSU alumni have won 18 Olympic medals ( including seven gold medals ) dating back to the first gold medal won by Willie Steel in track and field in the 1948 Olympics .
Simplified: People who once went to SJSU have won 18 Olympic medals ( including seven gold medals ) since the gold medal won by Willie Steel in track and field in the 1948 Olympics .