Preston (Cambridge) nurse Sarah Savage pioneered the concept of well-baby clinics, running weekly conferences for mothers and pre-school children.
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Science teacher Gordon Clark gave three of his students the run of the high-school lab after hours in the 1940s, he would have had no idea that they would come up with one of the biggest innovations.
NCR 7731 Personal Image Processor
This image processor could be used by such institutions as banks or post offices to scan and sort cheques or other documents.