September of 1875
|Died||December 30, 1922 (age 47) |
|Resting place||Evergreen Cemetery|
William Berol was director of the Berol Course of Memory Training, and known as "The Man with 300,000 Facts in His Head".
With his brothers, Felix and Max, performed an illusion they called "Askme". It is a large, transparent clock dial, which was taken to any part of the house, and no matter what question is asked it would answer instantaneously anything that could be answered by letters or figures.