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.
The grave marker of Junius Booth, buried with Mary Ann his wife, rests in the Dogwood area of Greenwood Cemetery. (Karl Merton Ferron/staff) John Wilkes Booth lay buried at the left of the booth family plot with other family members buried at right of the large marker. Grave markers for Junius Booth and his wife Mary Ann rest in front of graves for Rosalie, Cora, Richard, Joseph, and Edwin Booth. John Wilkes Booth is the only family member resting apart from the family in the other corner of the plot.