Liesl Clark Liesl Clark has been writing, directing and producing television documentaries since 1992, most recently NOVA's Emmy-nominated Everest -- the Death Zone, and Lost on Everest, a film that documents the 1999 discovery of George Leigh Mallory. Clark's passion for exploration, story-telling, and technology has allowed our viewers to join her expeditions online in real-time from the world's remote corners. Climb | Expedition | Mountain of Extremes Denali for Kids | Dispatches | E-Mail | Resources Site Map | Surviving Denali Home Editor's Picks | Previous Sites | Join Us/E-mail | TV/Web Schedule About NOVA | Teachers | Site Map | Shop | Jobs | Search | To print PBS Online | NOVA Online | WGBH © | Updated November 2000