MASTERQUIZ
1. The chemical element tungsten is also known by what other name? 2. Which British philosopher collaborated with A. N. Whitehead to produce the three-volume work Principia Mathematica? 3. Which ball game is restarted after a stoppage with a bully-off? 4. Hello Happiness is the new album by which American singer? 5. U.S. actress and singer Lorna Luft is the daughter of which Hollywood star? 6. Actress Olga Knipper was the wife of which Russian playwright?