Albert Einstein, born on March 14, 1879, would have been 135 years old this year. HIs genius, even in things like riddles, still can make us stumped like a nervous 5th grader. The theoretical physcist apparently had time to make up riddles between E = _mc_2 and the photoelectric effect — overachiever. The riddle titled "Whose Fish?" was allegedly created by Einstein. Get a paper and pen, you're going to need it.