UVA's alumni ranks also include others who have achieved widespread fame: computer science pioneer John Backus; polar explorer Richard Byrd; physicians Walter Reed, Charles T. Pepper, J. Hartwell Harrison, Hugh S. Cumming, Rupert Blue, Wade Hampton Frost, Vivian Pinn, and Francis Collins; scientists Stuart Schreiber, Daniel Barringer, and Richard Lutz; artists Edgar Allan Poe and Georgia O'Keeffe; musicians Stephen Malkmus and Boyd Tinsley; self-made billionaire Paul Tudor Jones; national news anchors Katie Couric and Brit Hume; actors Tina Fey, Ben McKenzie, and Sarah Drew; Team USA Olympic team captains John Harkes, Dawn Staley, and Claudio Reyna; NBA All-Star MVP Ralph Sampson and the NBA's eighth ever 50–40–90 shooter Malcolm Brogdon; two-time FIFA Women's World Cup champions Becky Sauerbrunn, Emily Sonnett and Morgan Brian; and voice actor Sam Riegel.