Ocupation: Seismologist
Life: April 26, 1900 - September 30, 1985
Birthday: April 26
Death: September 30
As seismologists gained more experience from earthquake records, it became obvious that the problem could not be reduced to a single peak acceleration. In fact, a full frequency of vibrations occurs.
source: Earthquake information bulletin, Volume 12, Issue 1, 1980.
topic: Earthquakes, Records, Vibrations, Acceleration, Frequency