Answer: Leonhard Euler. More information: Swiss-born Euler is held to be one of the greatest mathematicians in history. He made pioneering contributions to several branches of mathematics and introduced much of the modern mathematical terminology and notation.

Answer: Liver More information: The Liver isn't only the biggest organ, it is also the heaviest. The Liver weighs about 3.5 pounds on average. This is on average about 1/36 of your total body weight.

Answer: Pierre-Simon Laplace has an Erdős number of at most 14! More information: According to "The Erdös number project" a path to Laplace was found by Leonid Yanushevich giving the famous mathematician an Erdös number of at most 14.

Answer: ENIAC More information: ENIAC was the first electronic computer made. It was so large it filled a whole room and was used to solve large numerical equations.

Answer: 312211 More information: John Conway's "look and say" sequence has no digits other than 1, 2, and 3 in it, unless the seed number contains such a digit or a run of more than three of the same digit. A degenerate sequence appears with the seed of 22.