Wiktionary
absent-minded professors
n. (absent-minded professor English)
Usage examples of "absent-minded professors".
As for overt technophobia, early sf was full of Mad Scientists, Absent-minded Professors, Ravenous Monsters and Things Man Was Never Meant to Know.
I'm hoping the Secretary will shake his head in amusement at the folly of absent-minded professors, and shoot off a letter to Rome.