Frank Willem Drost is a former freestyle

Freestyle swimming

Freestyle is an unregulated swimming style used in swimming competitions according to the rules of FINA. The front crawl stroke is almost universally used during a freestyle race, as this style is generally the fastest...

 and butterfly

Butterfly stroke

The butterfly is a swimming stroke swum on the breast, with both arms moving simultaneously. The butterfly kick was developed separately, and is also known as the "dolphin kick"...

 swimmer from The Netherlands, who competed for his native country at two consecutive Summer Olympics, starting in 1984

Swimming at the 1984 Summer Olympics

Swimming at the 1984 Summer Olympics, held at the McDonald's Olympic Swim Stadium, located on the USC campus. There was a total of 494 participants from 67 countries competing.-Medal table:-Men's events:-Women's events:-References:...

.

His best individual result at the Games came in Los Angeles, California

Los Angeles, California

Los Angeles , with a population at the 2010 United States Census of 3,792,621, is the most populous city in California, USA and the second most populous in the United States, after New York City. It has an area of , and is located in Southern California...

, when he finished in sixth place (1:51.62) in the 200 m freestyle. His brother Peter

Peter Drost

Peter Willem Drost is a former freestyle swimmer from The Netherlands, who competed for his native country at two consecutive Summer Olympics, starting in 1980...

 was also a swimmer, and competed at the 1980

1980 Summer Olympics

The 1980 Summer Olympics, officially known as the Games of the XXII Olympiad, was an international multi-sport event celebrated in Moscow in the Soviet Union. In addition, the yachting events were held in Tallinn, and some of the preliminary matches and the quarter-finals of the football tournament...

 and 1984 Summer Olympics

1984 Summer Olympics

The 1984 Summer Olympics, officially known as the Games of the XXIII Olympiad, was an international multi-sport event held in Los Angeles, California, United States in 1984...

. Drost won two bronze medals at the 1985 European Championships in Sofia, Bulgaria.