Who was the first gold medalist in fencing?

US 2008 Olympic fencers:

Men's foil: Gerek Meinhardt

Women's foil: Emily Cross, Erinn Smart, Hanna Thompson, Doris Willette

Men's epee: Seth Kelsey

Women's epee: Kelley Hurley

Men's sabre: Keeth Smart, Timothy Morehouse, Jason Rogers, James Williams

Women's sabre: Rebecca Ward, Sada Jacobson, Mariel Zagunis, Dagmara Wozniak