Question: Facts:   - nicknames: `` mike ''    - weight: 179 lb kg on    - height: 6 ft 3 in m on      - strokes: backstroke    - fullname: michael eugene stamm    - birth date: 6 august 1952    - name: mike stamm    - club: coronado navy swimming association    - birth place: san pedro , california    - collegeteam: indiana university   Based on these bullet points, write a short biography describing the life of mike stamm .
Answer:
michael eugene stamm -lrb- born august 6 , 1952 -rrb- is an american former backstroke swimmer who earned a gold medal as a member of the winning u.s. team in the men 's 4x100-meter medley relay at the 1972 summer olympics in munich , germany .at the 1972 olympics , the 20-year-old stamm also won individual silver medals in the 100-meter and in the 200-meter backstroke .at that time , stamm was the second-best backstroker in the world , behind east german roland matthes .stamm managed to break matthes ' world record in the 200-meter backstroke only once , in 1970 , but matthes recaptured it three weeks later .stamm was coached by james counsilman at indiana university .