If the five-year-old's mental age is also five, and the 60-year-old's mental age is 60, then they both have an IQ of 100: 5/5 x 100 = 100 (average IQ - on age level).
Booth was shot dead in a firefight with Union cavalry troops in a barn in the Virginia countryside on 26th April 1865, after having been on the run for 10 days.
For the jazz bassist, see Jiunie Booth. Junius Brutus Booth (May 1, 1796 â November 30, 1852) was an English stage actor. He was the father of actor John Wilkes Booth, the assassin of U.S. President Abraham Lincoln. His other children included Edwin Booth, the foremost tragedian of the mid-to-late 19th century, Junius Brutus Booth, Jr., an actor and theatre manager, and Asia Booth Clarke, a poet and writer.