The July 1950 issue of Geophysics included the Presidential Address of Andrew Gilmour under the title “The state of seismic prospecting.” It remains an interesting recapitulation by one of the industry's pioneer pioneers (Gilmour may have been the first person ever hired with the title geophysicist) but his primary conclusion that the industry had an “acute lack of sufficiently trained technical personal” seems, from this future perspective, a severe understatement because a series of technological and theoretical breakthroughs would, in essence, soon require retraining the entire workforce.

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