Carl Allamby became an expert diagnostician after spending his childhood ducking his head under the hoods of Chevys and Fords with the older guys in his East Cleveland neighborhood. If a car whined and growled while turning, or if it squeaked on startup, he could run through a checklist in his head, zero in on the problem, and fix it.
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Car mechanic shifts gears, becomes a doctor at age 47 and helps address shortage of black doctors