Who, what, when, where, how and why questions around a paper light bulb

---

Size: 3704px × 2456px
Photo credit: © Charlotte Allen / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: answer, autobiography, blackboard, book, brainstorm, brainstorming, bulb, education, film, investigation, light, map, mind, movie, paper, question, questions, research, solution, solve, writer