Norman Abraham Haskell (1905-1970), was an American geophysicist Starting his graduate work on measuring the viscosity of the mantle,[1] Haskell made major contributions to geophysics over a career that lasted nearly 40 years.
Other of his contributions included the formulation of a matrix method for propagating waves in a layered medium and development of the simple mathematical description of earthquake sources that allows their durations to be studied using seismic waves.
[2] He and his wife, Rose, had a son, Peter (1934-2010), who became an actor.
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