Joseph Stuart Bottom (born April 18, 1955) is an American former competition swimmer, Olympic silver medalist, and former world record-holder in the 50-meter freestyle, 100-meter butterfly and 4×100-meter freestyle relay.Born in Akron, Ohio, Bottom moved with his family at age 11 to Santa Clara, California, where he was a member of the Santa Clara Swim Club under noted swim coach George Haines.