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Understanding Barcodes
Rudolf Hell
Rudolf Hell Biography | Fax Authority
Photograph, [1951], (Clarendon County, S.C.), of J.W. Seals, J.S. (Flutie) Boyd, E.E. Richburg, and Joseph A. De Laine, Sr. - Joseph A. De Laine Papers - UofSC Digital Collections
Douglas Engelbart: more than just the father of the mouse - Galaxus
Robert S. Ledley, Inventor of Whole-Body CT Scanner, Dies at 86 - The New York Times