How many olympic medals has Michael Phelps won in 2012?

In the 2012 Summer Olympics in London, Phelps won four golds and two silver medals, making him the most successful athlete of the Games for the third Olympics in a row. It was actually his worst performance of the 3 Olympics.

Michael Fred Phelps II (born June 30, 1985) is an American swimmer and the most decorated Olympian of all time with 22 medals and he also has the record for Olympic gold medals with 18