Answer: The 71-year-old star of "Jeopardy" who was forced to host the National Geographic World Championship on crutches Wednesday after he was injured chasing a burglar.

Who is Alex Trebek?

The incident took place at a San Francisco hotel at 2:30 a.m. the night before. According to a police report, a female burglar entered Trebek's room and stole cash and other valuables, including a bracelet. The popular TV host woke up and began to chase the suspect down the hallway when his Achilles tendon suddenly snapped causing him to fall and injure his other leg. FULL POST